Home / 10,727.79-14,805.15-6,752.31

Finding the Fourth Proportional to 10,727.79, 14,805.15 and 6,752.31

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Solution

The fourth proportional to 10,727.79, 14,805.15 and 6,752.31 is: 9,318.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,727.79 : 14,805.15 = 6,752.31 : x
  2. Step 2: Convert to fraction form
    10,727.79/14,805.15 = 6,752.31/x
  3. Step 3: Cross multiply
    10,727.79x = 14,805.15 × 6,752.31
  4. Step 4: Simplify right side
    10,727.79x = 99,968,962.40
  5. Step 5: Solve for x
    x = 99,968,962.40/10,727.79
  6. Step 6: Final answer
    x = 9,318.69

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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.