Home / 10,517.16-15,775.39-4,275.33

Finding the Fourth Proportional to 10,517.16, 15,775.39 and 4,275.33

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Solution

The fourth proportional to 10,517.16, 15,775.39 and 4,275.33 is: 6,412.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,517.16 : 15,775.39 = 4,275.33 : x
  2. Step 2: Convert to fraction form
    10,517.16/15,775.39 = 4,275.33/x
  3. Step 3: Cross multiply
    10,517.16x = 15,775.39 × 4,275.33
  4. Step 4: Simplify right side
    10,517.16x = 67,444,998.13
  5. Step 5: Solve for x
    x = 67,444,998.13/10,517.16
  6. Step 6: Final answer
    x = 6,412.85

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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.