Home / 10,405.48-14,348.58-9,562.84

Finding the Fourth Proportional to 10,405.48, 14,348.58 and 9,562.84

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Solution

The fourth proportional to 10,405.48, 14,348.58 and 9,562.84 is: 13,186.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,405.48 : 14,348.58 = 9,562.84 : x
  2. Step 2: Convert to fraction form
    10,405.48/14,348.58 = 9,562.84/x
  3. Step 3: Cross multiply
    10,405.48x = 14,348.58 × 9,562.84
  4. Step 4: Simplify right side
    10,405.48x = 137,213,174.77
  5. Step 5: Solve for x
    x = 137,213,174.77/10,405.48
  6. Step 6: Final answer
    x = 13,186.63

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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.