Home / 9,328.20-12,871.08-6,182.52

Finding the Fourth Proportional to 9,328.20, 12,871.08 and 6,182.52

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Solution

The fourth proportional to 9,328.20, 12,871.08 and 6,182.52 is: 8,530.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,328.20 : 12,871.08 = 6,182.52 : x
  2. Step 2: Convert to fraction form
    9,328.20/12,871.08 = 6,182.52/x
  3. Step 3: Cross multiply
    9,328.20x = 12,871.08 × 6,182.52
  4. Step 4: Simplify right side
    9,328.20x = 79,575,709.52
  5. Step 5: Solve for x
    x = 79,575,709.52/9,328.20
  6. Step 6: Final answer
    x = 8,530.66

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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.