Home / 11,182.37-15,431.95-6,146.72

Finding the Fourth Proportional to 11,182.37, 15,431.95 and 6,146.72

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Solution

The fourth proportional to 11,182.37, 15,431.95 and 6,146.72 is: 8,482.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,182.37 : 15,431.95 = 6,146.72 : x
  2. Step 2: Convert to fraction form
    11,182.37/15,431.95 = 6,146.72/x
  3. Step 3: Cross multiply
    11,182.37x = 15,431.95 × 6,146.72
  4. Step 4: Simplify right side
    11,182.37x = 94,855,875.70
  5. Step 5: Solve for x
    x = 94,855,875.70/11,182.37
  6. Step 6: Final answer
    x = 8,482.63

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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.