Home / 8,318.07-11,479.28-4,541.49

Finding the Fourth Proportional to 8,318.07, 11,479.28 and 4,541.49

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Solution

The fourth proportional to 8,318.07, 11,479.28 and 4,541.49 is: 6,267.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,318.07 : 11,479.28 = 4,541.49 : x
  2. Step 2: Convert to fraction form
    8,318.07/11,479.28 = 4,541.49/x
  3. Step 3: Cross multiply
    8,318.07x = 11,479.28 × 4,541.49
  4. Step 4: Simplify right side
    8,318.07x = 52,133,012.62
  5. Step 5: Solve for x
    x = 52,133,012.62/8,318.07
  6. Step 6: Final answer
    x = 6,267.44

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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.