Home / 10,304.85-14,210.01-8,817.69

Finding the Fourth Proportional to 10,304.85, 14,210.01 and 8,817.69

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Solution

The fourth proportional to 10,304.85, 14,210.01 and 8,817.69 is: 12,159.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,304.85 : 14,210.01 = 8,817.69 : x
  2. Step 2: Convert to fraction form
    10,304.85/14,210.01 = 8,817.69/x
  3. Step 3: Cross multiply
    10,304.85x = 14,210.01 × 8,817.69
  4. Step 4: Simplify right side
    10,304.85x = 125,299,463.08
  5. Step 5: Solve for x
    x = 125,299,463.08/10,304.85
  6. Step 6: Final answer
    x = 12,159.27

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Half scale
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Double scale
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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.