Home / 10,886.52-15,023.40-6,410.76

Finding the Fourth Proportional to 10,886.52, 15,023.40 and 6,410.76

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Solution

The fourth proportional to 10,886.52, 15,023.40 and 6,410.76 is: 8,846.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,886.52 : 15,023.40 = 6,410.76 : x
  2. Step 2: Convert to fraction form
    10,886.52/15,023.40 = 6,410.76/x
  3. Step 3: Cross multiply
    10,886.52x = 15,023.40 × 6,410.76
  4. Step 4: Simplify right side
    10,886.52x = 96,311,411.78
  5. Step 5: Solve for x
    x = 96,311,411.78/10,886.52
  6. Step 6: Final answer
    x = 8,846.85

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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.