Home / 8,945.31-12,344.31-4,966.32

Finding the Fourth Proportional to 8,945.31, 12,344.31 and 4,966.32

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Solution

The fourth proportional to 8,945.31, 12,344.31 and 4,966.32 is: 6,853.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,945.31 : 12,344.31 = 4,966.32 : x
  2. Step 2: Convert to fraction form
    8,945.31/12,344.31 = 4,966.32/x
  3. Step 3: Cross multiply
    8,945.31x = 12,344.31 × 4,966.32
  4. Step 4: Simplify right side
    8,945.31x = 61,305,793.64
  5. Step 5: Solve for x
    x = 61,305,793.64/8,945.31
  6. Step 6: Final answer
    x = 6,853.40

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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.