Home / 10,886.56-15,023.63-6,107.57

Finding the Fourth Proportional to 10,886.56, 15,023.63 and 6,107.57

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Solution

The fourth proportional to 10,886.56, 15,023.63 and 6,107.57 is: 8,428.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,886.56 : 15,023.63 = 6,107.57 : x
  2. Step 2: Convert to fraction form
    10,886.56/15,023.63 = 6,107.57/x
  3. Step 3: Cross multiply
    10,886.56x = 15,023.63 × 6,107.57
  4. Step 4: Simplify right side
    10,886.56x = 91,757,871.88
  5. Step 5: Solve for x
    x = 91,757,871.88/10,886.56
  6. Step 6: Final answer
    x = 8,428.55

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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.