Home / 8,356.70-11,532.22-4,999.64

Finding the Fourth Proportional to 8,356.70, 11,532.22 and 4,999.64

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Solution

The fourth proportional to 8,356.70, 11,532.22 and 4,999.64 is: 6,899.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,356.70 : 11,532.22 = 4,999.64 : x
  2. Step 2: Convert to fraction form
    8,356.70/11,532.22 = 4,999.64/x
  3. Step 3: Cross multiply
    8,356.70x = 11,532.22 × 4,999.64
  4. Step 4: Simplify right side
    8,356.70x = 57,656,948.40
  5. Step 5: Solve for x
    x = 57,656,948.40/8,356.70
  6. Step 6: Final answer
    x = 6,899.49

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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.