Home / 10,548.16-15,822.20-3,152.61

Finding the Fourth Proportional to 10,548.16, 15,822.20 and 3,152.61

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Solution

The fourth proportional to 10,548.16, 15,822.20 and 3,152.61 is: 4,728.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,548.16 : 15,822.20 = 3,152.61 : x
  2. Step 2: Convert to fraction form
    10,548.16/15,822.20 = 3,152.61/x
  3. Step 3: Cross multiply
    10,548.16x = 15,822.20 × 3,152.61
  4. Step 4: Simplify right side
    10,548.16x = 49,881,225.94
  5. Step 5: Solve for x
    x = 49,881,225.94/10,548.16
  6. Step 6: Final answer
    x = 4,728.90

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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.