Home / 10,956.62-15,120.12-6,482.58

Finding the Fourth Proportional to 10,956.62, 15,120.12 and 6,482.58

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Solution

The fourth proportional to 10,956.62, 15,120.12 and 6,482.58 is: 8,945.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,956.62 : 15,120.12 = 6,482.58 : x
  2. Step 2: Convert to fraction form
    10,956.62/15,120.12 = 6,482.58/x
  3. Step 3: Cross multiply
    10,956.62x = 15,120.12 × 6,482.58
  4. Step 4: Simplify right side
    10,956.62x = 98,017,387.51
  5. Step 5: Solve for x
    x = 98,017,387.51/10,956.62
  6. Step 6: Final answer
    x = 8,945.95

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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.