Home / 10,326.72-14,255.28-6,136.32

Finding the Fourth Proportional to 10,326.72, 14,255.28 and 6,136.32

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Solution

The fourth proportional to 10,326.72, 14,255.28 and 6,136.32 is: 8,470.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,326.72 : 14,255.28 = 6,136.32 : x
  2. Step 2: Convert to fraction form
    10,326.72/14,255.28 = 6,136.32/x
  3. Step 3: Cross multiply
    10,326.72x = 14,255.28 × 6,136.32
  4. Step 4: Simplify right side
    10,326.72x = 87,474,959.77
  5. Step 5: Solve for x
    x = 87,474,959.77/10,326.72
  6. Step 6: Final answer
    x = 8,470.74

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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.