Home / 9,150.72-12,623.40-6,005.76

Finding the Fourth Proportional to 9,150.72, 12,623.40 and 6,005.76

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Solution

The fourth proportional to 9,150.72, 12,623.40 and 6,005.76 is: 8,284.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,150.72 : 12,623.40 = 6,005.76 : x
  2. Step 2: Convert to fraction form
    9,150.72/12,623.40 = 6,005.76/x
  3. Step 3: Cross multiply
    9,150.72x = 12,623.40 × 6,005.76
  4. Step 4: Simplify right side
    9,150.72x = 75,813,110.78
  5. Step 5: Solve for x
    x = 75,813,110.78/9,150.72
  6. Step 6: Final answer
    x = 8,284.93

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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.