Home / 10,865.52-16,298.28-5,670.18

Finding the Fourth Proportional to 10,865.52, 16,298.28 and 5,670.18

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Solution

The fourth proportional to 10,865.52, 16,298.28 and 5,670.18 is: 8,505.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,865.52 : 16,298.28 = 5,670.18 : x
  2. Step 2: Convert to fraction form
    10,865.52/16,298.28 = 5,670.18/x
  3. Step 3: Cross multiply
    10,865.52x = 16,298.28 × 5,670.18
  4. Step 4: Simplify right side
    10,865.52x = 92,414,181.29
  5. Step 5: Solve for x
    x = 92,414,181.29/10,865.52
  6. Step 6: Final answer
    x = 8,505.27

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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.