Home / 7,569.43-10,452.45-7,321.57

Finding the Fourth Proportional to 7,569.43, 10,452.45 and 7,321.57

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Solution

The fourth proportional to 7,569.43, 10,452.45 and 7,321.57 is: 10,110.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,569.43 : 10,452.45 = 7,321.57 : x
  2. Step 2: Convert to fraction form
    7,569.43/10,452.45 = 7,321.57/x
  3. Step 3: Cross multiply
    7,569.43x = 10,452.45 × 7,321.57
  4. Step 4: Simplify right side
    7,569.43x = 76,528,344.35
  5. Step 5: Solve for x
    x = 76,528,344.35/7,569.43
  6. Step 6: Final answer
    x = 10,110.19

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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.