Home / 8,151.25-11,248.86-4,425.25

Finding the Fourth Proportional to 8,151.25, 11,248.86 and 4,425.25

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Solution

The fourth proportional to 8,151.25, 11,248.86 and 4,425.25 is: 6,106.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,151.25 : 11,248.86 = 4,425.25 : x
  2. Step 2: Convert to fraction form
    8,151.25/11,248.86 = 4,425.25/x
  3. Step 3: Cross multiply
    8,151.25x = 11,248.86 × 4,425.25
  4. Step 4: Simplify right side
    8,151.25x = 49,779,017.72
  5. Step 5: Solve for x
    x = 49,779,017.72/8,151.25
  6. Step 6: Final answer
    x = 6,106.92

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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.