Home / 38,591.10-57,887.67-10,511.40

Finding the Fourth Proportional to 38,591.10, 57,887.67 and 10,511.40

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Solution

The fourth proportional to 38,591.10, 57,887.67 and 10,511.40 is: 15,767.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,591.10 : 57,887.67 = 10,511.40 : x
  2. Step 2: Convert to fraction form
    38,591.10/57,887.67 = 10,511.40/x
  3. Step 3: Cross multiply
    38,591.10x = 57,887.67 × 10,511.40
  4. Step 4: Simplify right side
    38,591.10x = 608,480,454.44
  5. Step 5: Solve for x
    x = 608,480,454.44/38,591.10
  6. Step 6: Final answer
    x = 15,767.38

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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.