Home / 11,693.04-17,545.48-5,119.28

Finding the Fourth Proportional to 11,693.04, 17,545.48 and 5,119.28

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Solution

The fourth proportional to 11,693.04, 17,545.48 and 5,119.28 is: 7,681.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,693.04 : 17,545.48 = 5,119.28 : x
  2. Step 2: Convert to fraction form
    11,693.04/17,545.48 = 5,119.28/x
  3. Step 3: Cross multiply
    11,693.04x = 17,545.48 × 5,119.28
  4. Step 4: Simplify right side
    11,693.04x = 89,820,224.85
  5. Step 5: Solve for x
    x = 89,820,224.85/11,693.04
  6. Step 6: Final answer
    x = 7,681.51

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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.