Home / 8,877.12-12,248.48-5,148.96

Finding the Fourth Proportional to 8,877.12, 12,248.48 and 5,148.96

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Solution

The fourth proportional to 8,877.12, 12,248.48 and 5,148.96 is: 7,104.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,877.12 : 12,248.48 = 5,148.96 : x
  2. Step 2: Convert to fraction form
    8,877.12/12,248.48 = 5,148.96/x
  3. Step 3: Cross multiply
    8,877.12x = 12,248.48 × 5,148.96
  4. Step 4: Simplify right side
    8,877.12x = 63,066,933.58
  5. Step 5: Solve for x
    x = 63,066,933.58/8,877.12
  6. Step 6: Final answer
    x = 7,104.44

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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.