Home / 10,586.70-15,877.62-3,191.13

Finding the Fourth Proportional to 10,586.70, 15,877.62 and 3,191.13

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Solution

The fourth proportional to 10,586.70, 15,877.62 and 3,191.13 is: 4,785.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,586.70 : 15,877.62 = 3,191.13 : x
  2. Step 2: Convert to fraction form
    10,586.70/15,877.62 = 3,191.13/x
  3. Step 3: Cross multiply
    10,586.70x = 15,877.62 × 3,191.13
  4. Step 4: Simplify right side
    10,586.70x = 50,667,549.51
  5. Step 5: Solve for x
    x = 50,667,549.51/10,586.70
  6. Step 6: Final answer
    x = 4,785.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.