Home / 10,555.20-14,561.60-6,361.04

Finding the Fourth Proportional to 10,555.20, 14,561.60 and 6,361.04

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Solution

The fourth proportional to 10,555.20, 14,561.60 and 6,361.04 is: 8,775.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,555.20 : 14,561.60 = 6,361.04 : x
  2. Step 2: Convert to fraction form
    10,555.20/14,561.60 = 6,361.04/x
  3. Step 3: Cross multiply
    10,555.20x = 14,561.60 × 6,361.04
  4. Step 4: Simplify right side
    10,555.20x = 92,626,920.06
  5. Step 5: Solve for x
    x = 92,626,920.06/10,555.20
  6. Step 6: Final answer
    x = 8,775.48

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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.