Home / 9,132.64-13,696.80-5,235.04

Finding the Fourth Proportional to 9,132.64, 13,696.80 and 5,235.04

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Solution

The fourth proportional to 9,132.64, 13,696.80 and 5,235.04 is: 7,851.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,132.64 : 13,696.80 = 5,235.04 : x
  2. Step 2: Convert to fraction form
    9,132.64/13,696.80 = 5,235.04/x
  3. Step 3: Cross multiply
    9,132.64x = 13,696.80 × 5,235.04
  4. Step 4: Simplify right side
    9,132.64x = 71,703,295.87
  5. Step 5: Solve for x
    x = 71,703,295.87/9,132.64
  6. Step 6: Final answer
    x = 7,851.32

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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.