Home / 9,432.50-13,016.75-5,453.53

Finding the Fourth Proportional to 9,432.50, 13,016.75 and 5,453.53

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Solution

The fourth proportional to 9,432.50, 13,016.75 and 5,453.53 is: 7,525.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,432.50 : 13,016.75 = 5,453.53 : x
  2. Step 2: Convert to fraction form
    9,432.50/13,016.75 = 5,453.53/x
  3. Step 3: Cross multiply
    9,432.50x = 13,016.75 × 5,453.53
  4. Step 4: Simplify right side
    9,432.50x = 70,987,207.49
  5. Step 5: Solve for x
    x = 70,987,207.49/9,432.50
  6. Step 6: Final answer
    x = 7,525.81

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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.