Home / 8,555.76-11,805.35-5,017.68

Finding the Fourth Proportional to 8,555.76, 11,805.35 and 5,017.68

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Solution

The fourth proportional to 8,555.76, 11,805.35 and 5,017.68 is: 6,923.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,555.76 : 11,805.35 = 5,017.68 : x
  2. Step 2: Convert to fraction form
    8,555.76/11,805.35 = 5,017.68/x
  3. Step 3: Cross multiply
    8,555.76x = 11,805.35 × 5,017.68
  4. Step 4: Simplify right side
    8,555.76x = 59,235,443.50
  5. Step 5: Solve for x
    x = 59,235,443.50/8,555.76
  6. Step 6: Final answer
    x = 6,923.46

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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.