Home / 12,580.46-17,365.02-8,600.12

Finding the Fourth Proportional to 12,580.46, 17,365.02 and 8,600.12

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Solution

The fourth proportional to 12,580.46, 17,365.02 and 8,600.12 is: 11,870.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,580.46 : 17,365.02 = 8,600.12 : x
  2. Step 2: Convert to fraction form
    12,580.46/17,365.02 = 8,600.12/x
  3. Step 3: Cross multiply
    12,580.46x = 17,365.02 × 8,600.12
  4. Step 4: Simplify right side
    12,580.46x = 149,341,255.80
  5. Step 5: Solve for x
    x = 149,341,255.80/12,580.46
  6. Step 6: Final answer
    x = 11,870.89

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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.