Home / 9,967.18-13,754.81-5,490.95

Finding the Fourth Proportional to 9,967.18, 13,754.81 and 5,490.95

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Solution

The fourth proportional to 9,967.18, 13,754.81 and 5,490.95 is: 7,577.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,967.18 : 13,754.81 = 5,490.95 : x
  2. Step 2: Convert to fraction form
    9,967.18/13,754.81 = 5,490.95/x
  3. Step 3: Cross multiply
    9,967.18x = 13,754.81 × 5,490.95
  4. Step 4: Simplify right side
    9,967.18x = 75,526,973.97
  5. Step 5: Solve for x
    x = 75,526,973.97/9,967.18
  6. Step 6: Final answer
    x = 7,577.57

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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.