Home / 10,726.20-16,073.10-7,259.40

Finding the Fourth Proportional to 10,726.20, 16,073.10 and 7,259.40

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Solution

The fourth proportional to 10,726.20, 16,073.10 and 7,259.40 is: 10,878.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,726.20 : 16,073.10 = 7,259.40 : x
  2. Step 2: Convert to fraction form
    10,726.20/16,073.10 = 7,259.40/x
  3. Step 3: Cross multiply
    10,726.20x = 16,073.10 × 7,259.40
  4. Step 4: Simplify right side
    10,726.20x = 116,681,062.14
  5. Step 5: Solve for x
    x = 116,681,062.14/10,726.20
  6. Step 6: Final answer
    x = 10,878.14

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1.5x scale

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.