Home / 10,102.07-15,146.06-4,476.68

Finding the Fourth Proportional to 10,102.07, 15,146.06 and 4,476.68

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Solution

The fourth proportional to 10,102.07, 15,146.06 and 4,476.68 is: 6,711.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,102.07 : 15,146.06 = 4,476.68 : x
  2. Step 2: Convert to fraction form
    10,102.07/15,146.06 = 4,476.68/x
  3. Step 3: Cross multiply
    10,102.07x = 15,146.06 × 4,476.68
  4. Step 4: Simplify right side
    10,102.07x = 67,803,965.77
  5. Step 5: Solve for x
    x = 67,803,965.77/10,102.07
  6. Step 6: Final answer
    x = 6,711.89

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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.