Home / 8,124.39-11,211.68-4,587.53

Finding the Fourth Proportional to 8,124.39, 11,211.68 and 4,587.53

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Solution

The fourth proportional to 8,124.39, 11,211.68 and 4,587.53 is: 6,330.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,124.39 : 11,211.68 = 4,587.53 : x
  2. Step 2: Convert to fraction form
    8,124.39/11,211.68 = 4,587.53/x
  3. Step 3: Cross multiply
    8,124.39x = 11,211.68 × 4,587.53
  4. Step 4: Simplify right side
    8,124.39x = 51,433,873.76
  5. Step 5: Solve for x
    x = 51,433,873.76/8,124.39
  6. Step 6: Final answer
    x = 6,330.80

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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.