Home / 11,538.90-17,312.40-4,967.10

Finding the Fourth Proportional to 11,538.90, 17,312.40 and 4,967.10

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Solution

The fourth proportional to 11,538.90, 17,312.40 and 4,967.10 is: 7,452.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,538.90 : 17,312.40 = 4,967.10 : x
  2. Step 2: Convert to fraction form
    11,538.90/17,312.40 = 4,967.10/x
  3. Step 3: Cross multiply
    11,538.90x = 17,312.40 × 4,967.10
  4. Step 4: Simplify right side
    11,538.90x = 85,992,422.04
  5. Step 5: Solve for x
    x = 85,992,422.04/11,538.90
  6. Step 6: Final answer
    x = 7,452.39

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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.