Home / 10,990.94-15,167.52-6,452.75

Finding the Fourth Proportional to 10,990.94, 15,167.52 and 6,452.75

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Solution

The fourth proportional to 10,990.94, 15,167.52 and 6,452.75 is: 8,904.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,990.94 : 15,167.52 = 6,452.75 : x
  2. Step 2: Convert to fraction form
    10,990.94/15,167.52 = 6,452.75/x
  3. Step 3: Cross multiply
    10,990.94x = 15,167.52 × 6,452.75
  4. Step 4: Simplify right side
    10,990.94x = 97,872,167.28
  5. Step 5: Solve for x
    x = 97,872,167.28/10,990.94
  6. Step 6: Final answer
    x = 8,904.80

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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.