Home / 10,490.22-15,735.35-7,193.32

Finding the Fourth Proportional to 10,490.22, 15,735.35 and 7,193.32

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Solution

The fourth proportional to 10,490.22, 15,735.35 and 7,193.32 is: 10,789.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,490.22 : 15,735.35 = 7,193.32 : x
  2. Step 2: Convert to fraction form
    10,490.22/15,735.35 = 7,193.32/x
  3. Step 3: Cross multiply
    10,490.22x = 15,735.35 × 7,193.32
  4. Step 4: Simplify right side
    10,490.22x = 113,189,407.86
  5. Step 5: Solve for x
    x = 113,189,407.86/10,490.22
  6. Step 6: Final answer
    x = 10,789.99

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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.