Home / 9,715.23-13,408.92-6,182.55

Finding the Fourth Proportional to 9,715.23, 13,408.92 and 6,182.55

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Solution

The fourth proportional to 9,715.23, 13,408.92 and 6,182.55 is: 8,533.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,715.23 : 13,408.92 = 6,182.55 : x
  2. Step 2: Convert to fraction form
    9,715.23/13,408.92 = 6,182.55/x
  3. Step 3: Cross multiply
    9,715.23x = 13,408.92 × 6,182.55
  4. Step 4: Simplify right side
    9,715.23x = 82,901,318.35
  5. Step 5: Solve for x
    x = 82,901,318.35/9,715.23
  6. Step 6: Final answer
    x = 8,533.13

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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.