Home / 10,574.98-15,915.58-7,956.08

Finding the Fourth Proportional to 10,574.98, 15,915.58 and 7,956.08

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Solution

The fourth proportional to 10,574.98, 15,915.58 and 7,956.08 is: 11,974.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,574.98 : 15,915.58 = 7,956.08 : x
  2. Step 2: Convert to fraction form
    10,574.98/15,915.58 = 7,956.08/x
  3. Step 3: Cross multiply
    10,574.98x = 15,915.58 × 7,956.08
  4. Step 4: Simplify right side
    10,574.98x = 126,625,627.73
  5. Step 5: Solve for x
    x = 126,625,627.73/10,574.98
  6. Step 6: Final answer
    x = 11,974.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.