Home / 10,152.15-15,231.87-7,253.16

Finding the Fourth Proportional to 10,152.15, 15,231.87 and 7,253.16

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Solution

The fourth proportional to 10,152.15, 15,231.87 and 7,253.16 is: 10,882.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,152.15 : 15,231.87 = 7,253.16 : x
  2. Step 2: Convert to fraction form
    10,152.15/15,231.87 = 7,253.16/x
  3. Step 3: Cross multiply
    10,152.15x = 15,231.87 × 7,253.16
  4. Step 4: Simplify right side
    10,152.15x = 110,479,190.21
  5. Step 5: Solve for x
    x = 110,479,190.21/10,152.15
  6. Step 6: Final answer
    x = 10,882.34

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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.