Home / 9,434.50-13,015.86-6,601.12

Finding the Fourth Proportional to 9,434.50, 13,015.86 and 6,601.12

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Solution

The fourth proportional to 9,434.50, 13,015.86 and 6,601.12 is: 9,106.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,434.50 : 13,015.86 = 6,601.12 : x
  2. Step 2: Convert to fraction form
    9,434.50/13,015.86 = 6,601.12/x
  3. Step 3: Cross multiply
    9,434.50x = 13,015.86 × 6,601.12
  4. Step 4: Simplify right side
    9,434.50x = 85,919,253.76
  5. Step 5: Solve for x
    x = 85,919,253.76/9,434.50
  6. Step 6: Final answer
    x = 9,106.92

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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.