Home / 10,142.52-13,996.26-5,666.26

Finding the Fourth Proportional to 10,142.52, 13,996.26 and 5,666.26

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Solution

The fourth proportional to 10,142.52, 13,996.26 and 5,666.26 is: 7,819.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,142.52 : 13,996.26 = 5,666.26 : x
  2. Step 2: Convert to fraction form
    10,142.52/13,996.26 = 5,666.26/x
  3. Step 3: Cross multiply
    10,142.52x = 13,996.26 × 5,666.26
  4. Step 4: Simplify right side
    10,142.52x = 79,306,448.19
  5. Step 5: Solve for x
    x = 79,306,448.19/10,142.52
  6. Step 6: Final answer
    x = 7,819.21

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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.