Home / 10,862.59-14,990.60-6,146.87

Finding the Fourth Proportional to 10,862.59, 14,990.60 and 6,146.87

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Solution

The fourth proportional to 10,862.59, 14,990.60 and 6,146.87 is: 8,482.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,862.59 : 14,990.60 = 6,146.87 : x
  2. Step 2: Convert to fraction form
    10,862.59/14,990.60 = 6,146.87/x
  3. Step 3: Cross multiply
    10,862.59x = 14,990.60 × 6,146.87
  4. Step 4: Simplify right side
    10,862.59x = 92,145,163.73
  5. Step 5: Solve for x
    x = 92,145,163.73/10,862.59
  6. Step 6: Final answer
    x = 8,482.80

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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.