Home / 7,511.52-10,366.72-5,645.28

Finding the Fourth Proportional to 7,511.52, 10,366.72 and 5,645.28

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Solution

The fourth proportional to 7,511.52, 10,366.72 and 5,645.28 is: 7,791.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,511.52 : 10,366.72 = 5,645.28 : x
  2. Step 2: Convert to fraction form
    7,511.52/10,366.72 = 5,645.28/x
  3. Step 3: Cross multiply
    7,511.52x = 10,366.72 × 5,645.28
  4. Step 4: Simplify right side
    7,511.52x = 58,523,037.08
  5. Step 5: Solve for x
    x = 58,523,037.08/7,511.52
  6. Step 6: Final answer
    x = 7,791.10

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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.