Home / 10,161.23-14,008.68-7,132.23

Finding the Fourth Proportional to 10,161.23, 14,008.68 and 7,132.23

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Solution

The fourth proportional to 10,161.23, 14,008.68 and 7,132.23 is: 9,832.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,161.23 : 14,008.68 = 7,132.23 : x
  2. Step 2: Convert to fraction form
    10,161.23/14,008.68 = 7,132.23/x
  3. Step 3: Cross multiply
    10,161.23x = 14,008.68 × 7,132.23
  4. Step 4: Simplify right side
    10,161.23x = 99,913,127.76
  5. Step 5: Solve for x
    x = 99,913,127.76/10,161.23
  6. Step 6: Final answer
    x = 9,832.78

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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.