Home / 10,322.28-14,246.82-6,129.72

Finding the Fourth Proportional to 10,322.28, 14,246.82 and 6,129.72

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Solution

The fourth proportional to 10,322.28, 14,246.82 and 6,129.72 is: 8,460.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,322.28 : 14,246.82 = 6,129.72 : x
  2. Step 2: Convert to fraction form
    10,322.28/14,246.82 = 6,129.72/x
  3. Step 3: Cross multiply
    10,322.28x = 14,246.82 × 6,129.72
  4. Step 4: Simplify right side
    10,322.28x = 87,329,017.49
  5. Step 5: Solve for x
    x = 87,329,017.49/10,322.28
  6. Step 6: Final answer
    x = 8,460.24

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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.