Home / 7,263.80-9,999.48-6,517.52

Finding the Fourth Proportional to 7,263.80, 9,999.48 and 6,517.52

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Solution

The fourth proportional to 7,263.80, 9,999.48 and 6,517.52 is: 8,972.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,263.80 : 9,999.48 = 6,517.52 : x
  2. Step 2: Convert to fraction form
    7,263.80/9,999.48 = 6,517.52/x
  3. Step 3: Cross multiply
    7,263.80x = 9,999.48 × 6,517.52
  4. Step 4: Simplify right side
    7,263.80x = 65,171,810.89
  5. Step 5: Solve for x
    x = 65,171,810.89/7,263.80
  6. Step 6: Final answer
    x = 8,972.14

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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.