Home / 8,881.03-12,248.35-6,648.18

Finding the Fourth Proportional to 8,881.03, 12,248.35 and 6,648.18

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Solution

The fourth proportional to 8,881.03, 12,248.35 and 6,648.18 is: 9,168.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,881.03 : 12,248.35 = 6,648.18 : x
  2. Step 2: Convert to fraction form
    8,881.03/12,248.35 = 6,648.18/x
  3. Step 3: Cross multiply
    8,881.03x = 12,248.35 × 6,648.18
  4. Step 4: Simplify right side
    8,881.03x = 81,429,235.50
  5. Step 5: Solve for x
    x = 81,429,235.50/8,881.03
  6. Step 6: Final answer
    x = 9,168.90

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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.