Home / 9,015.04-13,500.48-7,445.44

Finding the Fourth Proportional to 9,015.04, 13,500.48 and 7,445.44

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Solution

The fourth proportional to 9,015.04, 13,500.48 and 7,445.44 is: 11,149.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,015.04 : 13,500.48 = 7,445.44 : x
  2. Step 2: Convert to fraction form
    9,015.04/13,500.48 = 7,445.44/x
  3. Step 3: Cross multiply
    9,015.04x = 13,500.48 × 7,445.44
  4. Step 4: Simplify right side
    9,015.04x = 100,517,013.81
  5. Step 5: Solve for x
    x = 100,517,013.81/9,015.04
  6. Step 6: Final answer
    x = 11,149.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.