Home / 8,628.28-11,907.06-5,484.52

Finding the Fourth Proportional to 8,628.28, 11,907.06 and 5,484.52

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Solution

The fourth proportional to 8,628.28, 11,907.06 and 5,484.52 is: 7,568.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,628.28 : 11,907.06 = 5,484.52 : x
  2. Step 2: Convert to fraction form
    8,628.28/11,907.06 = 5,484.52/x
  3. Step 3: Cross multiply
    8,628.28x = 11,907.06 × 5,484.52
  4. Step 4: Simplify right side
    8,628.28x = 65,304,508.71
  5. Step 5: Solve for x
    x = 65,304,508.71/8,628.28
  6. Step 6: Final answer
    x = 7,568.66

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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.