Home / 10,948.84-15,115.62-7,233.64

Finding the Fourth Proportional to 10,948.84, 15,115.62 and 7,233.64

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Solution

The fourth proportional to 10,948.84, 15,115.62 and 7,233.64 is: 9,986.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,948.84 : 15,115.62 = 7,233.64 : x
  2. Step 2: Convert to fraction form
    10,948.84/15,115.62 = 7,233.64/x
  3. Step 3: Cross multiply
    10,948.84x = 15,115.62 × 7,233.64
  4. Step 4: Simplify right side
    10,948.84x = 109,340,953.46
  5. Step 5: Solve for x
    x = 109,340,953.46/10,948.84
  6. Step 6: Final answer
    x = 9,986.53

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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.