Home / 12,704.04-17,532.10-7,115.08

Finding the Fourth Proportional to 12,704.04, 17,532.10 and 7,115.08

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Solution

The fourth proportional to 12,704.04, 17,532.10 and 7,115.08 is: 9,819.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,704.04 : 17,532.10 = 7,115.08 : x
  2. Step 2: Convert to fraction form
    12,704.04/17,532.10 = 7,115.08/x
  3. Step 3: Cross multiply
    12,704.04x = 17,532.10 × 7,115.08
  4. Step 4: Simplify right side
    12,704.04x = 124,742,294.07
  5. Step 5: Solve for x
    x = 124,742,294.07/12,704.04
  6. Step 6: Final answer
    x = 9,819.10

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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.