Home / 8,223.75-11,347.82-4,866.71

Finding the Fourth Proportional to 8,223.75, 11,347.82 and 4,866.71

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Solution

The fourth proportional to 8,223.75, 11,347.82 and 4,866.71 is: 6,715.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,223.75 : 11,347.82 = 4,866.71 : x
  2. Step 2: Convert to fraction form
    8,223.75/11,347.82 = 4,866.71/x
  3. Step 3: Cross multiply
    8,223.75x = 11,347.82 × 4,866.71
  4. Step 4: Simplify right side
    8,223.75x = 55,226,549.07
  5. Step 5: Solve for x
    x = 55,226,549.07/8,223.75
  6. Step 6: Final answer
    x = 6,715.49

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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.