Home / 12,252.60-18,335.70-8,537.40

Finding the Fourth Proportional to 12,252.60, 18,335.70 and 8,537.40

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Solution

The fourth proportional to 12,252.60, 18,335.70 and 8,537.40 is: 12,776.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,252.60 : 18,335.70 = 8,537.40 : x
  2. Step 2: Convert to fraction form
    12,252.60/18,335.70 = 8,537.40/x
  3. Step 3: Cross multiply
    12,252.60x = 18,335.70 × 8,537.40
  4. Step 4: Simplify right side
    12,252.60x = 156,539,205.18
  5. Step 5: Solve for x
    x = 156,539,205.18/12,252.60
  6. Step 6: Final answer
    x = 12,776.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.