Home / 8,820.53-13,228.07-3,555.33

Finding the Fourth Proportional to 8,820.53, 13,228.07 and 3,555.33

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Solution

The fourth proportional to 8,820.53, 13,228.07 and 3,555.33 is: 5,331.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,820.53 : 13,228.07 = 3,555.33 : x
  2. Step 2: Convert to fraction form
    8,820.53/13,228.07 = 3,555.33/x
  3. Step 3: Cross multiply
    8,820.53x = 13,228.07 × 3,555.33
  4. Step 4: Simplify right side
    8,820.53x = 47,030,154.11
  5. Step 5: Solve for x
    x = 47,030,154.11/8,820.53
  6. Step 6: Final answer
    x = 5,331.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.