Home / 10,353.53-15,521.51-4,117.95

Finding the Fourth Proportional to 10,353.53, 15,521.51 and 4,117.95

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Solution

The fourth proportional to 10,353.53, 15,521.51 and 4,117.95 is: 6,173.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,353.53 : 15,521.51 = 4,117.95 : x
  2. Step 2: Convert to fraction form
    10,353.53/15,521.51 = 4,117.95/x
  3. Step 3: Cross multiply
    10,353.53x = 15,521.51 × 4,117.95
  4. Step 4: Simplify right side
    10,353.53x = 63,916,812.40
  5. Step 5: Solve for x
    x = 63,916,812.40/10,353.53
  6. Step 6: Final answer
    x = 6,173.43

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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.