Home / 9,940.32-13,718.28-6,577.32

Finding the Fourth Proportional to 9,940.32, 13,718.28 and 6,577.32

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Solution

The fourth proportional to 9,940.32, 13,718.28 and 6,577.32 is: 9,077.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,940.32 : 13,718.28 = 6,577.32 : x
  2. Step 2: Convert to fraction form
    9,940.32/13,718.28 = 6,577.32/x
  3. Step 3: Cross multiply
    9,940.32x = 13,718.28 × 6,577.32
  4. Step 4: Simplify right side
    9,940.32x = 90,229,517.41
  5. Step 5: Solve for x
    x = 90,229,517.41/9,940.32
  6. Step 6: Final answer
    x = 9,077.12

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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.