Home / 8,949.09-12,347.23-5,595.31

Finding the Fourth Proportional to 8,949.09, 12,347.23 and 5,595.31

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Solution

The fourth proportional to 8,949.09, 12,347.23 and 5,595.31 is: 7,719.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,949.09 : 12,347.23 = 5,595.31 : x
  2. Step 2: Convert to fraction form
    8,949.09/12,347.23 = 5,595.31/x
  3. Step 3: Cross multiply
    8,949.09x = 12,347.23 × 5,595.31
  4. Step 4: Simplify right side
    8,949.09x = 69,086,579.49
  5. Step 5: Solve for x
    x = 69,086,579.49/8,949.09
  6. Step 6: Final answer
    x = 7,719.96

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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.