Home / 7,524.90-11,275.20-6,285.60

Finding the Fourth Proportional to 7,524.90, 11,275.20 and 6,285.60

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Solution

The fourth proportional to 7,524.90, 11,275.20 and 6,285.60 is: 9,418.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,524.90 : 11,275.20 = 6,285.60 : x
  2. Step 2: Convert to fraction form
    7,524.90/11,275.20 = 6,285.60/x
  3. Step 3: Cross multiply
    7,524.90x = 11,275.20 × 6,285.60
  4. Step 4: Simplify right side
    7,524.90x = 70,871,397.12
  5. Step 5: Solve for x
    x = 70,871,397.12/7,524.90
  6. Step 6: Final answer
    x = 9,418.25

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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.