Home / 10,895.13-15,034.28-6,178.50

Finding the Fourth Proportional to 10,895.13, 15,034.28 and 6,178.50

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Solution

The fourth proportional to 10,895.13, 15,034.28 and 6,178.50 is: 8,525.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,895.13 : 15,034.28 = 6,178.50 : x
  2. Step 2: Convert to fraction form
    10,895.13/15,034.28 = 6,178.50/x
  3. Step 3: Cross multiply
    10,895.13x = 15,034.28 × 6,178.50
  4. Step 4: Simplify right side
    10,895.13x = 92,889,268.09
  5. Step 5: Solve for x
    x = 92,889,268.09/10,895.13
  6. Step 6: Final answer
    x = 8,525.76

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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.