Home / 10,384.10-15,581.01-4,539.95

Finding the Fourth Proportional to 10,384.10, 15,581.01 and 4,539.95

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Solution

The fourth proportional to 10,384.10, 15,581.01 and 4,539.95 is: 6,812.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,384.10 : 15,581.01 = 4,539.95 : x
  2. Step 2: Convert to fraction form
    10,384.10/15,581.01 = 4,539.95/x
  3. Step 3: Cross multiply
    10,384.10x = 15,581.01 × 4,539.95
  4. Step 4: Simplify right side
    10,384.10x = 70,737,006.35
  5. Step 5: Solve for x
    x = 70,737,006.35/10,384.10
  6. Step 6: Final answer
    x = 6,812.05

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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.