Home / 11,366.99-15,685.89-6,586.70

Finding the Fourth Proportional to 11,366.99, 15,685.89 and 6,586.70

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Solution

The fourth proportional to 11,366.99, 15,685.89 and 6,586.70 is: 9,089.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,366.99 : 15,685.89 = 6,586.70 : x
  2. Step 2: Convert to fraction form
    11,366.99/15,685.89 = 6,586.70/x
  3. Step 3: Cross multiply
    11,366.99x = 15,685.89 × 6,586.70
  4. Step 4: Simplify right side
    11,366.99x = 103,318,173.23
  5. Step 5: Solve for x
    x = 103,318,173.23/11,366.99
  6. Step 6: Final answer
    x = 9,089.32

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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.