Home / 10,108.80-15,159.60-4,564.80

Finding the Fourth Proportional to 10,108.80, 15,159.60 and 4,564.80

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Solution

The fourth proportional to 10,108.80, 15,159.60 and 4,564.80 is: 6,845.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,108.80 : 15,159.60 = 4,564.80 : x
  2. Step 2: Convert to fraction form
    10,108.80/15,159.60 = 4,564.80/x
  3. Step 3: Cross multiply
    10,108.80x = 15,159.60 × 4,564.80
  4. Step 4: Simplify right side
    10,108.80x = 69,200,542.08
  5. Step 5: Solve for x
    x = 69,200,542.08/10,108.80
  6. Step 6: Final answer
    x = 6,845.57

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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.