Home / 10,604.79-14,633.55-6,128.19

Finding the Fourth Proportional to 10,604.79, 14,633.55 and 6,128.19

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Solution

The fourth proportional to 10,604.79, 14,633.55 and 6,128.19 is: 8,456.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,604.79 : 14,633.55 = 6,128.19 : x
  2. Step 2: Convert to fraction form
    10,604.79/14,633.55 = 6,128.19/x
  3. Step 3: Cross multiply
    10,604.79x = 14,633.55 × 6,128.19
  4. Step 4: Simplify right side
    10,604.79x = 89,677,174.77
  5. Step 5: Solve for x
    x = 89,677,174.77/10,604.79
  6. Step 6: Final answer
    x = 8,456.29

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Half scale
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Double scale
Find fourth proportional to 10,605.79, 14,634.93 and 6,129.19
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.