Home / 7,242.57-9,999.59-4,883.85

Finding the Fourth Proportional to 7,242.57, 9,999.59 and 4,883.85

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Solution

The fourth proportional to 7,242.57, 9,999.59 and 4,883.85 is: 6,742.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,242.57 : 9,999.59 = 4,883.85 : x
  2. Step 2: Convert to fraction form
    7,242.57/9,999.59 = 4,883.85/x
  3. Step 3: Cross multiply
    7,242.57x = 9,999.59 × 4,883.85
  4. Step 4: Simplify right side
    7,242.57x = 48,836,473.20
  5. Step 5: Solve for x
    x = 48,836,473.20/7,242.57
  6. Step 6: Final answer
    x = 6,742.98

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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.