Home / 7,631.16-11,453.22-5,445.24

Finding the Fourth Proportional to 7,631.16, 11,453.22 and 5,445.24

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Solution

The fourth proportional to 7,631.16, 11,453.22 and 5,445.24 is: 8,172.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,631.16 : 11,453.22 = 5,445.24 : x
  2. Step 2: Convert to fraction form
    7,631.16/11,453.22 = 5,445.24/x
  3. Step 3: Cross multiply
    7,631.16x = 11,453.22 × 5,445.24
  4. Step 4: Simplify right side
    7,631.16x = 62,365,531.67
  5. Step 5: Solve for x
    x = 62,365,531.67/7,631.16
  6. Step 6: Final answer
    x = 8,172.48

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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.