Home / 11,186.95-15,437.67-6,151.18

Finding the Fourth Proportional to 11,186.95, 15,437.67 and 6,151.18

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Solution

The fourth proportional to 11,186.95, 15,437.67 and 6,151.18 is: 8,488.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,186.95 : 15,437.67 = 6,151.18 : x
  2. Step 2: Convert to fraction form
    11,186.95/15,437.67 = 6,151.18/x
  3. Step 3: Cross multiply
    11,186.95x = 15,437.67 × 6,151.18
  4. Step 4: Simplify right side
    11,186.95x = 94,959,886.95
  5. Step 5: Solve for x
    x = 94,959,886.95/11,186.95
  6. Step 6: Final answer
    x = 8,488.45

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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.