Home / 10,943.75-15,102.47-5,975.75

Finding the Fourth Proportional to 10,943.75, 15,102.47 and 5,975.75

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Solution

The fourth proportional to 10,943.75, 15,102.47 and 5,975.75 is: 8,246.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,943.75 : 15,102.47 = 5,975.75 : x
  2. Step 2: Convert to fraction form
    10,943.75/15,102.47 = 5,975.75/x
  3. Step 3: Cross multiply
    10,943.75x = 15,102.47 × 5,975.75
  4. Step 4: Simplify right side
    10,943.75x = 90,248,585.10
  5. Step 5: Solve for x
    x = 90,248,585.10/10,943.75
  6. Step 6: Final answer
    x = 8,246.59

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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.