Home / 7,967.45-10,995.38-4,430.91

Finding the Fourth Proportional to 7,967.45, 10,995.38 and 4,430.91

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Solution

The fourth proportional to 7,967.45, 10,995.38 and 4,430.91 is: 6,114.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,967.45 : 10,995.38 = 4,430.91 : x
  2. Step 2: Convert to fraction form
    7,967.45/10,995.38 = 4,430.91/x
  3. Step 3: Cross multiply
    7,967.45x = 10,995.38 × 4,430.91
  4. Step 4: Simplify right side
    7,967.45x = 48,719,517.04
  5. Step 5: Solve for x
    x = 48,719,517.04/7,967.45
  6. Step 6: Final answer
    x = 6,114.82

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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.