Home / 10,521.06-15,758.94-4,966.08

Finding the Fourth Proportional to 10,521.06, 15,758.94 and 4,966.08

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Solution

The fourth proportional to 10,521.06, 15,758.94 and 4,966.08 is: 7,438.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,521.06 : 15,758.94 = 4,966.08 : x
  2. Step 2: Convert to fraction form
    10,521.06/15,758.94 = 4,966.08/x
  3. Step 3: Cross multiply
    10,521.06x = 15,758.94 × 4,966.08
  4. Step 4: Simplify right side
    10,521.06x = 78,260,156.76
  5. Step 5: Solve for x
    x = 78,260,156.76/10,521.06
  6. Step 6: Final answer
    x = 7,438.43

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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.