Home / 10,531.99-15,797.96-4,290.54

Finding the Fourth Proportional to 10,531.99, 15,797.96 and 4,290.54

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Solution

The fourth proportional to 10,531.99, 15,797.96 and 4,290.54 is: 6,435.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,531.99 : 15,797.96 = 4,290.54 : x
  2. Step 2: Convert to fraction form
    10,531.99/15,797.96 = 4,290.54/x
  3. Step 3: Cross multiply
    10,531.99x = 15,797.96 × 4,290.54
  4. Step 4: Simplify right side
    10,531.99x = 67,781,779.30
  5. Step 5: Solve for x
    x = 67,781,779.30/10,531.99
  6. Step 6: Final answer
    x = 6,435.80

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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.