Home / 10,920.04-15,069.62-5,952.04

Finding the Fourth Proportional to 10,920.04, 15,069.62 and 5,952.04

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Solution

The fourth proportional to 10,920.04, 15,069.62 and 5,952.04 is: 8,213.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,920.04 : 15,069.62 = 5,952.04 : x
  2. Step 2: Convert to fraction form
    10,920.04/15,069.62 = 5,952.04/x
  3. Step 3: Cross multiply
    10,920.04x = 15,069.62 × 5,952.04
  4. Step 4: Simplify right side
    10,920.04x = 89,694,981.02
  5. Step 5: Solve for x
    x = 89,694,981.02/10,920.04
  6. Step 6: Final answer
    x = 8,213.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.