Home / 12,240.02-16,885.12-9,546.36

Finding the Fourth Proportional to 12,240.02, 16,885.12 and 9,546.36

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Solution

The fourth proportional to 12,240.02, 16,885.12 and 9,546.36 is: 13,169.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,240.02 : 16,885.12 = 9,546.36 : x
  2. Step 2: Convert to fraction form
    12,240.02/16,885.12 = 9,546.36/x
  3. Step 3: Cross multiply
    12,240.02x = 16,885.12 × 9,546.36
  4. Step 4: Simplify right side
    12,240.02x = 161,191,434.16
  5. Step 5: Solve for x
    x = 161,191,434.16/12,240.02
  6. Step 6: Final answer
    x = 13,169.21

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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.