Home / 11,840.10-16,339.20-6,534.78

Finding the Fourth Proportional to 11,840.10, 16,339.20 and 6,534.78

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Solution

The fourth proportional to 11,840.10, 16,339.20 and 6,534.78 is: 9,017.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,840.10 : 16,339.20 = 6,534.78 : x
  2. Step 2: Convert to fraction form
    11,840.10/16,339.20 = 6,534.78/x
  3. Step 3: Cross multiply
    11,840.10x = 16,339.20 × 6,534.78
  4. Step 4: Simplify right side
    11,840.10x = 106,773,077.38
  5. Step 5: Solve for x
    x = 106,773,077.38/11,840.10
  6. Step 6: Final answer
    x = 9,017.92

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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.