Home / 11,185.95-15,436.29-6,150.18

Finding the Fourth Proportional to 11,185.95, 15,436.29 and 6,150.18

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Solution

The fourth proportional to 11,185.95, 15,436.29 and 6,150.18 is: 8,487.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,185.95 : 15,436.29 = 6,150.18 : x
  2. Step 2: Convert to fraction form
    11,185.95/15,436.29 = 6,150.18/x
  3. Step 3: Cross multiply
    11,185.95x = 15,436.29 × 6,150.18
  4. Step 4: Simplify right side
    11,185.95x = 94,935,962.03
  5. Step 5: Solve for x
    x = 94,935,962.03/11,185.95
  6. Step 6: Final answer
    x = 8,487.07

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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.