Home / 10,364.72-14,302.62-6,115.56

Finding the Fourth Proportional to 10,364.72, 14,302.62 and 6,115.56

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Solution

The fourth proportional to 10,364.72, 14,302.62 and 6,115.56 is: 8,439.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,364.72 : 14,302.62 = 6,115.56 : x
  2. Step 2: Convert to fraction form
    10,364.72/14,302.62 = 6,115.56/x
  3. Step 3: Cross multiply
    10,364.72x = 14,302.62 × 6,115.56
  4. Step 4: Simplify right side
    10,364.72x = 87,468,530.77
  5. Step 5: Solve for x
    x = 87,468,530.77/10,364.72
  6. Step 6: Final answer
    x = 8,439.06

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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.