Home / 10,967.04-15,132.10-6,487.72

Finding the Fourth Proportional to 10,967.04, 15,132.10 and 6,487.72

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Solution

The fourth proportional to 10,967.04, 15,132.10 and 6,487.72 is: 8,951.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,967.04 : 15,132.10 = 6,487.72 : x
  2. Step 2: Convert to fraction form
    10,967.04/15,132.10 = 6,487.72/x
  3. Step 3: Cross multiply
    10,967.04x = 15,132.10 × 6,487.72
  4. Step 4: Simplify right side
    10,967.04x = 98,172,827.81
  5. Step 5: Solve for x
    x = 98,172,827.81/10,967.04
  6. Step 6: Final answer
    x = 8,951.62

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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.