Home / 8,674.98-11,959.55-5,486.68

Finding the Fourth Proportional to 8,674.98, 11,959.55 and 5,486.68

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Solution

The fourth proportional to 8,674.98, 11,959.55 and 5,486.68 is: 7,564.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,674.98 : 11,959.55 = 5,486.68 : x
  2. Step 2: Convert to fraction form
    8,674.98/11,959.55 = 5,486.68/x
  3. Step 3: Cross multiply
    8,674.98x = 11,959.55 × 5,486.68
  4. Step 4: Simplify right side
    8,674.98x = 65,618,223.79
  5. Step 5: Solve for x
    x = 65,618,223.79/8,674.98
  6. Step 6: Final answer
    x = 7,564.08

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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.