Home / 7,964.02-10,966.71-5,721.94

Finding the Fourth Proportional to 7,964.02, 10,966.71 and 5,721.94

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Solution

The fourth proportional to 7,964.02, 10,966.71 and 5,721.94 is: 7,879.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,964.02 : 10,966.71 = 5,721.94 : x
  2. Step 2: Convert to fraction form
    7,964.02/10,966.71 = 5,721.94/x
  3. Step 3: Cross multiply
    7,964.02x = 10,966.71 × 5,721.94
  4. Step 4: Simplify right side
    7,964.02x = 62,750,856.62
  5. Step 5: Solve for x
    x = 62,750,856.62/7,964.02
  6. Step 6: Final answer
    x = 7,879.29

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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.