Home / 8,278.63-11,424.24-4,501.68

Finding the Fourth Proportional to 8,278.63, 11,424.24 and 4,501.68

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Solution

The fourth proportional to 8,278.63, 11,424.24 and 4,501.68 is: 6,212.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,278.63 : 11,424.24 = 4,501.68 : x
  2. Step 2: Convert to fraction form
    8,278.63/11,424.24 = 4,501.68/x
  3. Step 3: Cross multiply
    8,278.63x = 11,424.24 × 4,501.68
  4. Step 4: Simplify right side
    8,278.63x = 51,428,272.72
  5. Step 5: Solve for x
    x = 51,428,272.72/8,278.63
  6. Step 6: Final answer
    x = 6,212.17

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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.