Home / 9,711.10-14,529.59-5,331.63

Finding the Fourth Proportional to 9,711.10, 14,529.59 and 5,331.63

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Solution

The fourth proportional to 9,711.10, 14,529.59 and 5,331.63 is: 7,977.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,711.10 : 14,529.59 = 5,331.63 : x
  2. Step 2: Convert to fraction form
    9,711.10/14,529.59 = 5,331.63/x
  3. Step 3: Cross multiply
    9,711.10x = 14,529.59 × 5,331.63
  4. Step 4: Simplify right side
    9,711.10x = 77,466,397.93
  5. Step 5: Solve for x
    x = 77,466,397.93/9,711.10
  6. Step 6: Final answer
    x = 7,977.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.