Home / 10,412.28-15,607.30-4,859.16

Finding the Fourth Proportional to 10,412.28, 15,607.30 and 4,859.16

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Solution

The fourth proportional to 10,412.28, 15,607.30 and 4,859.16 is: 7,283.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,412.28 : 15,607.30 = 4,859.16 : x
  2. Step 2: Convert to fraction form
    10,412.28/15,607.30 = 4,859.16/x
  3. Step 3: Cross multiply
    10,412.28x = 15,607.30 × 4,859.16
  4. Step 4: Simplify right side
    10,412.28x = 75,838,367.87
  5. Step 5: Solve for x
    x = 75,838,367.87/10,412.28
  6. Step 6: Final answer
    x = 7,283.55

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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.