Home / 7,469.10-10,307.57-4,112.28

Finding the Fourth Proportional to 7,469.10, 10,307.57 and 4,112.28

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Solution

The fourth proportional to 7,469.10, 10,307.57 and 4,112.28 is: 5,675.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,469.10 : 10,307.57 = 4,112.28 : x
  2. Step 2: Convert to fraction form
    7,469.10/10,307.57 = 4,112.28/x
  3. Step 3: Cross multiply
    7,469.10x = 10,307.57 × 4,112.28
  4. Step 4: Simplify right side
    7,469.10x = 42,387,593.40
  5. Step 5: Solve for x
    x = 42,387,593.40/7,469.10
  6. Step 6: Final answer
    x = 5,675.06

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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.