Home / 11,248.93-15,523.42-6,403.68

Finding the Fourth Proportional to 11,248.93, 15,523.42 and 6,403.68

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Solution

The fourth proportional to 11,248.93, 15,523.42 and 6,403.68 is: 8,837.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,248.93 : 15,523.42 = 6,403.68 : x
  2. Step 2: Convert to fraction form
    11,248.93/15,523.42 = 6,403.68/x
  3. Step 3: Cross multiply
    11,248.93x = 15,523.42 × 6,403.68
  4. Step 4: Simplify right side
    11,248.93x = 99,407,071.85
  5. Step 5: Solve for x
    x = 99,407,071.85/11,248.93
  6. Step 6: Final answer
    x = 8,837.03

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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.