Home / 10,295.28-15,442.88-3,721.46

Finding the Fourth Proportional to 10,295.28, 15,442.88 and 3,721.46

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Solution

The fourth proportional to 10,295.28, 15,442.88 and 3,721.46 is: 5,582.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,295.28 : 15,442.88 = 3,721.46 : x
  2. Step 2: Convert to fraction form
    10,295.28/15,442.88 = 3,721.46/x
  3. Step 3: Cross multiply
    10,295.28x = 15,442.88 × 3,721.46
  4. Step 4: Simplify right side
    10,295.28x = 57,470,060.20
  5. Step 5: Solve for x
    x = 57,470,060.20/10,295.28
  6. Step 6: Final answer
    x = 5,582.18

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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.