Home / 7,966.75-11,951.64-3,807.08

Finding the Fourth Proportional to 7,966.75, 11,951.64 and 3,807.08

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Solution

The fourth proportional to 7,966.75, 11,951.64 and 3,807.08 is: 5,711.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,966.75 : 11,951.64 = 3,807.08 : x
  2. Step 2: Convert to fraction form
    7,966.75/11,951.64 = 3,807.08/x
  3. Step 3: Cross multiply
    7,966.75x = 11,951.64 × 3,807.08
  4. Step 4: Simplify right side
    7,966.75x = 45,500,830.58
  5. Step 5: Solve for x
    x = 45,500,830.58/7,966.75
  6. Step 6: Final answer
    x = 5,711.35

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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.