Home / 10,275.96-14,180.86-5,560.28

Finding the Fourth Proportional to 10,275.96, 14,180.86 and 5,560.28

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Solution

The fourth proportional to 10,275.96, 14,180.86 and 5,560.28 is: 7,673.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,275.96 : 14,180.86 = 5,560.28 : x
  2. Step 2: Convert to fraction form
    10,275.96/14,180.86 = 5,560.28/x
  3. Step 3: Cross multiply
    10,275.96x = 14,180.86 × 5,560.28
  4. Step 4: Simplify right side
    10,275.96x = 78,849,552.24
  5. Step 5: Solve for x
    x = 78,849,552.24/10,275.96
  6. Step 6: Final answer
    x = 7,673.21

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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.