Home / 9,278.54-13,919.75-3,038.07

Finding the Fourth Proportional to 9,278.54, 13,919.75 and 3,038.07

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Solution

The fourth proportional to 9,278.54, 13,919.75 and 3,038.07 is: 4,557.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,278.54 : 13,919.75 = 3,038.07 : x
  2. Step 2: Convert to fraction form
    9,278.54/13,919.75 = 3,038.07/x
  3. Step 3: Cross multiply
    9,278.54x = 13,919.75 × 3,038.07
  4. Step 4: Simplify right side
    9,278.54x = 42,289,159.69
  5. Step 5: Solve for x
    x = 42,289,159.69/9,278.54
  6. Step 6: Final answer
    x = 4,557.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.