Home / 10,435.20-15,648.91-4,193.10

Finding the Fourth Proportional to 10,435.20, 15,648.91 and 4,193.10

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Solution

The fourth proportional to 10,435.20, 15,648.91 and 4,193.10 is: 6,288.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,435.20 : 15,648.91 = 4,193.10 : x
  2. Step 2: Convert to fraction form
    10,435.20/15,648.91 = 4,193.10/x
  3. Step 3: Cross multiply
    10,435.20x = 15,648.91 × 4,193.10
  4. Step 4: Simplify right side
    10,435.20x = 65,617,393.66
  5. Step 5: Solve for x
    x = 65,617,393.66/10,435.20
  6. Step 6: Final answer
    x = 6,288.08

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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.