Home / 7,322.16-10,084.32-6,327.12

Finding the Fourth Proportional to 7,322.16, 10,084.32 and 6,327.12

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Solution

The fourth proportional to 7,322.16, 10,084.32 and 6,327.12 is: 8,713.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,322.16 : 10,084.32 = 6,327.12 : x
  2. Step 2: Convert to fraction form
    7,322.16/10,084.32 = 6,327.12/x
  3. Step 3: Cross multiply
    7,322.16x = 10,084.32 × 6,327.12
  4. Step 4: Simplify right side
    7,322.16x = 63,804,702.76
  5. Step 5: Solve for x
    x = 63,804,702.76/7,322.16
  6. Step 6: Final answer
    x = 8,713.92

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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.