Home / 11,586.25-15,988.40-6,550.17

Finding the Fourth Proportional to 11,586.25, 15,988.40 and 6,550.17

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Solution

The fourth proportional to 11,586.25, 15,988.40 and 6,550.17 is: 9,038.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,586.25 : 15,988.40 = 6,550.17 : x
  2. Step 2: Convert to fraction form
    11,586.25/15,988.40 = 6,550.17/x
  3. Step 3: Cross multiply
    11,586.25x = 15,988.40 × 6,550.17
  4. Step 4: Simplify right side
    11,586.25x = 104,726,738.03
  5. Step 5: Solve for x
    x = 104,726,738.03/11,586.25
  6. Step 6: Final answer
    x = 9,038.88

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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.