Home / 17,089.40-25,634.88-5,242.32

Finding the Fourth Proportional to 17,089.40, 25,634.88 and 5,242.32

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Solution

The fourth proportional to 17,089.40, 25,634.88 and 5,242.32 is: 7,863.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,089.40 : 25,634.88 = 5,242.32 : x
  2. Step 2: Convert to fraction form
    17,089.40/25,634.88 = 5,242.32/x
  3. Step 3: Cross multiply
    17,089.40x = 25,634.88 × 5,242.32
  4. Step 4: Simplify right side
    17,089.40x = 134,386,244.12
  5. Step 5: Solve for x
    x = 134,386,244.12/17,089.40
  6. Step 6: Final answer
    x = 7,863.72

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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.