Home / 12,461.42-18,635.30-9,301.10

Finding the Fourth Proportional to 12,461.42, 18,635.30 and 9,301.10

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Solution

The fourth proportional to 12,461.42, 18,635.30 and 9,301.10 is: 13,909.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,461.42 : 18,635.30 = 9,301.10 : x
  2. Step 2: Convert to fraction form
    12,461.42/18,635.30 = 9,301.10/x
  3. Step 3: Cross multiply
    12,461.42x = 18,635.30 × 9,301.10
  4. Step 4: Simplify right side
    12,461.42x = 173,328,649.15
  5. Step 5: Solve for x
    x = 173,328,649.15/12,461.42
  6. Step 6: Final answer
    x = 13,909.23

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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.