Home / 10,048.55-13,866.86-5,572.20

Finding the Fourth Proportional to 10,048.55, 13,866.86 and 5,572.20

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Solution

The fourth proportional to 10,048.55, 13,866.86 and 5,572.20 is: 7,689.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,048.55 : 13,866.86 = 5,572.20 : x
  2. Step 2: Convert to fraction form
    10,048.55/13,866.86 = 5,572.20/x
  3. Step 3: Cross multiply
    10,048.55x = 13,866.86 × 5,572.20
  4. Step 4: Simplify right side
    10,048.55x = 77,268,917.29
  5. Step 5: Solve for x
    x = 77,268,917.29/10,048.55
  6. Step 6: Final answer
    x = 7,689.56

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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.