Home / 10,275.93-14,180.80-5,560.21

Finding the Fourth Proportional to 10,275.93, 14,180.80 and 5,560.21

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Solution

The fourth proportional to 10,275.93, 14,180.80 and 5,560.21 is: 7,673.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,275.93 : 14,180.80 = 5,560.21 : x
  2. Step 2: Convert to fraction form
    10,275.93/14,180.80 = 5,560.21/x
  3. Step 3: Cross multiply
    10,275.93x = 14,180.80 × 5,560.21
  4. Step 4: Simplify right side
    10,275.93x = 78,848,225.97
  5. Step 5: Solve for x
    x = 78,848,225.97/10,275.93
  6. Step 6: Final answer
    x = 7,673.10

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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.