Home / 7,966.52-11,948.22-7,571.40

Finding the Fourth Proportional to 7,966.52, 11,948.22 and 7,571.40

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Solution

The fourth proportional to 7,966.52, 11,948.22 and 7,571.40 is: 11,355.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,966.52 : 11,948.22 = 7,571.40 : x
  2. Step 2: Convert to fraction form
    7,966.52/11,948.22 = 7,571.40/x
  3. Step 3: Cross multiply
    7,966.52x = 11,948.22 × 7,571.40
  4. Step 4: Simplify right side
    7,966.52x = 90,464,752.91
  5. Step 5: Solve for x
    x = 90,464,752.91/7,966.52
  6. Step 6: Final answer
    x = 11,355.62

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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.