Home / 9,819.93-13,552.90-5,572.04

Finding the Fourth Proportional to 9,819.93, 13,552.90 and 5,572.04

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Solution

The fourth proportional to 9,819.93, 13,552.90 and 5,572.04 is: 7,690.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,819.93 : 13,552.90 = 5,572.04 : x
  2. Step 2: Convert to fraction form
    9,819.93/13,552.90 = 5,572.04/x
  3. Step 3: Cross multiply
    9,819.93x = 13,552.90 × 5,572.04
  4. Step 4: Simplify right side
    9,819.93x = 75,517,326.80
  5. Step 5: Solve for x
    x = 75,517,326.80/9,819.93
  6. Step 6: Final answer
    x = 7,690.21

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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.