Home / 8,124.15-11,211.33-4,587.39

Finding the Fourth Proportional to 8,124.15, 11,211.33 and 4,587.39

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Solution

The fourth proportional to 8,124.15, 11,211.33 and 4,587.39 is: 6,330.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,124.15 : 11,211.33 = 4,587.39 : x
  2. Step 2: Convert to fraction form
    8,124.15/11,211.33 = 4,587.39/x
  3. Step 3: Cross multiply
    8,124.15x = 11,211.33 × 4,587.39
  4. Step 4: Simplify right side
    8,124.15x = 51,430,743.13
  5. Step 5: Solve for x
    x = 51,430,743.13/8,124.15
  6. Step 6: Final answer
    x = 6,330.60

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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.