Home / 9,817.87-13,548.65-5,341.61

Finding the Fourth Proportional to 9,817.87, 13,548.65 and 5,341.61

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Solution

The fourth proportional to 9,817.87, 13,548.65 and 5,341.61 is: 7,371.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,817.87 : 13,548.65 = 5,341.61 : x
  2. Step 2: Convert to fraction form
    9,817.87/13,548.65 = 5,341.61/x
  3. Step 3: Cross multiply
    9,817.87x = 13,548.65 × 5,341.61
  4. Step 4: Simplify right side
    9,817.87x = 72,371,641.54
  5. Step 5: Solve for x
    x = 72,371,641.54/9,817.87
  6. Step 6: Final answer
    x = 7,371.42

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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.