Home / 11,509.72-17,250.15-4,928.17

Finding the Fourth Proportional to 11,509.72, 17,250.15 and 4,928.17

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Solution

The fourth proportional to 11,509.72, 17,250.15 and 4,928.17 is: 7,386.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,509.72 : 17,250.15 = 4,928.17 : x
  2. Step 2: Convert to fraction form
    11,509.72/17,250.15 = 4,928.17/x
  3. Step 3: Cross multiply
    11,509.72x = 17,250.15 × 4,928.17
  4. Step 4: Simplify right side
    11,509.72x = 85,011,671.73
  5. Step 5: Solve for x
    x = 85,011,671.73/11,509.72
  6. Step 6: Final answer
    x = 7,386.08

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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.