Home / 10,278.78-14,184.68-5,802.52

Finding the Fourth Proportional to 10,278.78, 14,184.68 and 5,802.52

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Solution

The fourth proportional to 10,278.78, 14,184.68 and 5,802.52 is: 8,007.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,278.78 : 14,184.68 = 5,802.52 : x
  2. Step 2: Convert to fraction form
    10,278.78/14,184.68 = 5,802.52/x
  3. Step 3: Cross multiply
    10,278.78x = 14,184.68 × 5,802.52
  4. Step 4: Simplify right side
    10,278.78x = 82,306,889.39
  5. Step 5: Solve for x
    x = 82,306,889.39/10,278.78
  6. Step 6: Final answer
    x = 8,007.46

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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.