Home / 8,788.16-12,124.26-5,425.13

Finding the Fourth Proportional to 8,788.16, 12,124.26 and 5,425.13

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Solution

The fourth proportional to 8,788.16, 12,124.26 and 5,425.13 is: 7,484.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,788.16 : 12,124.26 = 5,425.13 : x
  2. Step 2: Convert to fraction form
    8,788.16/12,124.26 = 5,425.13/x
  3. Step 3: Cross multiply
    8,788.16x = 12,124.26 × 5,425.13
  4. Step 4: Simplify right side
    8,788.16x = 65,775,626.03
  5. Step 5: Solve for x
    x = 65,775,626.03/8,788.16
  6. Step 6: Final answer
    x = 7,484.58

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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.