Home / 10,781.18-14,875.79-6,304.06

Finding the Fourth Proportional to 10,781.18, 14,875.79 and 6,304.06

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Solution

The fourth proportional to 10,781.18, 14,875.79 and 6,304.06 is: 8,698.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,781.18 : 14,875.79 = 6,304.06 : x
  2. Step 2: Convert to fraction form
    10,781.18/14,875.79 = 6,304.06/x
  3. Step 3: Cross multiply
    10,781.18x = 14,875.79 × 6,304.06
  4. Step 4: Simplify right side
    10,781.18x = 93,777,872.71
  5. Step 5: Solve for x
    x = 93,777,872.71/10,781.18
  6. Step 6: Final answer
    x = 8,698.29

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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.