Home / 8,854.03-12,218.60-5,077.34

Finding the Fourth Proportional to 8,854.03, 12,218.60 and 5,077.34

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Solution

The fourth proportional to 8,854.03, 12,218.60 and 5,077.34 is: 7,006.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,854.03 : 12,218.60 = 5,077.34 : x
  2. Step 2: Convert to fraction form
    8,854.03/12,218.60 = 5,077.34/x
  3. Step 3: Cross multiply
    8,854.03x = 12,218.60 × 5,077.34
  4. Step 4: Simplify right side
    8,854.03x = 62,037,938.12
  5. Step 5: Solve for x
    x = 62,037,938.12/8,854.03
  6. Step 6: Final answer
    x = 7,006.75

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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.