Home / 10,635.30-15,953.34-5,435.10

Finding the Fourth Proportional to 10,635.30, 15,953.34 and 5,435.10

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Solution

The fourth proportional to 10,635.30, 15,953.34 and 5,435.10 is: 8,152.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,635.30 : 15,953.34 = 5,435.10 : x
  2. Step 2: Convert to fraction form
    10,635.30/15,953.34 = 5,435.10/x
  3. Step 3: Cross multiply
    10,635.30x = 15,953.34 × 5,435.10
  4. Step 4: Simplify right side
    10,635.30x = 86,707,998.23
  5. Step 5: Solve for x
    x = 86,707,998.23/10,635.30
  6. Step 6: Final answer
    x = 8,152.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.