Home / 10,442.16-15,663.24-3,521.52

Finding the Fourth Proportional to 10,442.16, 15,663.24 and 3,521.52

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Solution

The fourth proportional to 10,442.16, 15,663.24 and 3,521.52 is: 5,282.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,442.16 : 15,663.24 = 3,521.52 : x
  2. Step 2: Convert to fraction form
    10,442.16/15,663.24 = 3,521.52/x
  3. Step 3: Cross multiply
    10,442.16x = 15,663.24 × 3,521.52
  4. Step 4: Simplify right side
    10,442.16x = 55,158,412.92
  5. Step 5: Solve for x
    x = 55,158,412.92/10,442.16
  6. Step 6: Final answer
    x = 5,282.28

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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.