Home / 10,067.04-15,078.48-7,136.46

Finding the Fourth Proportional to 10,067.04, 15,078.48 and 7,136.46

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Solution

The fourth proportional to 10,067.04, 15,078.48 and 7,136.46 is: 10,689.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,067.04 : 15,078.48 = 7,136.46 : x
  2. Step 2: Convert to fraction form
    10,067.04/15,078.48 = 7,136.46/x
  3. Step 3: Cross multiply
    10,067.04x = 15,078.48 × 7,136.46
  4. Step 4: Simplify right side
    10,067.04x = 107,606,969.38
  5. Step 5: Solve for x
    x = 107,606,969.38/10,067.04
  6. Step 6: Final answer
    x = 10,689.04

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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.