Home / 11,848.11-16,348.95-7,539.72

Finding the Fourth Proportional to 11,848.11, 16,348.95 and 7,539.72

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Solution

The fourth proportional to 11,848.11, 16,348.95 and 7,539.72 is: 10,403.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,848.11 : 16,348.95 = 7,539.72 : x
  2. Step 2: Convert to fraction form
    11,848.11/16,348.95 = 7,539.72/x
  3. Step 3: Cross multiply
    11,848.11x = 16,348.95 × 7,539.72
  4. Step 4: Simplify right side
    11,848.11x = 123,266,505.29
  5. Step 5: Solve for x
    x = 123,266,505.29/11,848.11
  6. Step 6: Final answer
    x = 10,403.90

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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.