Home / 9,060.14-12,586.70-8,979.03

Finding the Fourth Proportional to 9,060.14, 12,586.70 and 8,979.03

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Solution

The fourth proportional to 9,060.14, 12,586.70 and 8,979.03 is: 12,474.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,060.14 : 12,586.70 = 8,979.03 : x
  2. Step 2: Convert to fraction form
    9,060.14/12,586.70 = 8,979.03/x
  3. Step 3: Cross multiply
    9,060.14x = 12,586.70 × 8,979.03
  4. Step 4: Simplify right side
    9,060.14x = 113,016,312.01
  5. Step 5: Solve for x
    x = 113,016,312.01/9,060.14
  6. Step 6: Final answer
    x = 12,474.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.