Home / 10,439.83-14,402.95-6,663.13

Finding the Fourth Proportional to 10,439.83, 14,402.95 and 6,663.13

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Solution

The fourth proportional to 10,439.83, 14,402.95 and 6,663.13 is: 9,192.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,439.83 : 14,402.95 = 6,663.13 : x
  2. Step 2: Convert to fraction form
    10,439.83/14,402.95 = 6,663.13/x
  3. Step 3: Cross multiply
    10,439.83x = 14,402.95 × 6,663.13
  4. Step 4: Simplify right side
    10,439.83x = 95,968,728.23
  5. Step 5: Solve for x
    x = 95,968,728.23/10,439.83
  6. Step 6: Final answer
    x = 9,192.56

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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.