Home / 9,155.76-13,732.44-2,916.36

Finding the Fourth Proportional to 9,155.76, 13,732.44 and 2,916.36

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Solution

The fourth proportional to 9,155.76, 13,732.44 and 2,916.36 is: 4,374.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,155.76 : 13,732.44 = 2,916.36 : x
  2. Step 2: Convert to fraction form
    9,155.76/13,732.44 = 2,916.36/x
  3. Step 3: Cross multiply
    9,155.76x = 13,732.44 × 2,916.36
  4. Step 4: Simplify right side
    9,155.76x = 40,048,738.72
  5. Step 5: Solve for x
    x = 40,048,738.72/9,155.76
  6. Step 6: Final answer
    x = 4,374.16

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1.5x scale

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.