Home / 9,155.36-13,732.92-3,312.08

Finding the Fourth Proportional to 9,155.36, 13,732.92 and 3,312.08

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Solution

The fourth proportional to 9,155.36, 13,732.92 and 3,312.08 is: 4,968.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,155.36 : 13,732.92 = 3,312.08 : x
  2. Step 2: Convert to fraction form
    9,155.36/13,732.92 = 3,312.08/x
  3. Step 3: Cross multiply
    9,155.36x = 13,732.92 × 3,312.08
  4. Step 4: Simplify right side
    9,155.36x = 45,484,529.67
  5. Step 5: Solve for x
    x = 45,484,529.67/9,155.36
  6. Step 6: Final answer
    x = 4,968.08

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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.