Home / 7,966.66-11,948.40-7,571.52

Finding the Fourth Proportional to 7,966.66, 11,948.40 and 7,571.52

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Solution

The fourth proportional to 7,966.66, 11,948.40 and 7,571.52 is: 11,355.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,966.66 : 11,948.40 = 7,571.52 : x
  2. Step 2: Convert to fraction form
    7,966.66/11,948.40 = 7,571.52/x
  3. Step 3: Cross multiply
    7,966.66x = 11,948.40 × 7,571.52
  4. Step 4: Simplify right side
    7,966.66x = 90,467,549.57
  5. Step 5: Solve for x
    x = 90,467,549.57/7,966.66
  6. Step 6: Final answer
    x = 11,355.77

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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.