Home / 7,983.32-11,017.10-4,626.38

Finding the Fourth Proportional to 7,983.32, 11,017.10 and 4,626.38

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Solution

The fourth proportional to 7,983.32, 11,017.10 and 4,626.38 is: 6,384.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,983.32 : 11,017.10 = 4,626.38 : x
  2. Step 2: Convert to fraction form
    7,983.32/11,017.10 = 4,626.38/x
  3. Step 3: Cross multiply
    7,983.32x = 11,017.10 × 4,626.38
  4. Step 4: Simplify right side
    7,983.32x = 50,969,291.10
  5. Step 5: Solve for x
    x = 50,969,291.10/7,983.32
  6. Step 6: Final answer
    x = 6,384.47

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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.