Home / 9,569.22-13,205.64-5,320.55

Finding the Fourth Proportional to 9,569.22, 13,205.64 and 5,320.55

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Solution

The fourth proportional to 9,569.22, 13,205.64 and 5,320.55 is: 7,342.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,569.22 : 13,205.64 = 5,320.55 : x
  2. Step 2: Convert to fraction form
    9,569.22/13,205.64 = 5,320.55/x
  3. Step 3: Cross multiply
    9,569.22x = 13,205.64 × 5,320.55
  4. Step 4: Simplify right side
    9,569.22x = 70,261,201.87
  5. Step 5: Solve for x
    x = 70,261,201.87/9,569.22
  6. Step 6: Final answer
    x = 7,342.42

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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.