Home / 10,939.13-16,410.45-4,702.13

Finding the Fourth Proportional to 10,939.13, 16,410.45 and 4,702.13

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Solution

The fourth proportional to 10,939.13, 16,410.45 and 4,702.13 is: 7,053.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,939.13 : 16,410.45 = 4,702.13 : x
  2. Step 2: Convert to fraction form
    10,939.13/16,410.45 = 4,702.13/x
  3. Step 3: Cross multiply
    10,939.13x = 16,410.45 × 4,702.13
  4. Step 4: Simplify right side
    10,939.13x = 77,164,069.26
  5. Step 5: Solve for x
    x = 77,164,069.26/10,939.13
  6. Step 6: Final answer
    x = 7,053.95

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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.