Home / 10,315.06-15,471.36-4,472.14

Finding the Fourth Proportional to 10,315.06, 15,471.36 and 4,472.14

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Solution

The fourth proportional to 10,315.06, 15,471.36 and 4,472.14 is: 6,707.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,315.06 : 15,471.36 = 4,472.14 : x
  2. Step 2: Convert to fraction form
    10,315.06/15,471.36 = 4,472.14/x
  3. Step 3: Cross multiply
    10,315.06x = 15,471.36 × 4,472.14
  4. Step 4: Simplify right side
    10,315.06x = 69,190,087.91
  5. Step 5: Solve for x
    x = 69,190,087.91/10,315.06
  6. Step 6: Final answer
    x = 6,707.68

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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.