Home / 7,242.32-9,999.33-5,483.54

Finding the Fourth Proportional to 7,242.32, 9,999.33 and 5,483.54

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Solution

The fourth proportional to 7,242.32, 9,999.33 and 5,483.54 is: 7,571.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,242.32 : 9,999.33 = 5,483.54 : x
  2. Step 2: Convert to fraction form
    7,242.32/9,999.33 = 5,483.54/x
  3. Step 3: Cross multiply
    7,242.32x = 9,999.33 × 5,483.54
  4. Step 4: Simplify right side
    7,242.32x = 54,831,726.03
  5. Step 5: Solve for x
    x = 54,831,726.03/7,242.32
  6. Step 6: Final answer
    x = 7,571.02

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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.