Home / 11,182.23-15,431.63-6,146.91

Finding the Fourth Proportional to 11,182.23, 15,431.63 and 6,146.91

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Solution

The fourth proportional to 11,182.23, 15,431.63 and 6,146.91 is: 8,482.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,182.23 : 15,431.63 = 6,146.91 : x
  2. Step 2: Convert to fraction form
    11,182.23/15,431.63 = 6,146.91/x
  3. Step 3: Cross multiply
    11,182.23x = 15,431.63 × 6,146.91
  4. Step 4: Simplify right side
    11,182.23x = 94,856,833.08
  5. Step 5: Solve for x
    x = 94,856,833.08/11,182.23
  6. Step 6: Final answer
    x = 8,482.82

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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.