Home / 11,350.53-15,663.12-6,313.79

Finding the Fourth Proportional to 11,350.53, 15,663.12 and 6,313.79

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Solution

The fourth proportional to 11,350.53, 15,663.12 and 6,313.79 is: 8,712.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,350.53 : 15,663.12 = 6,313.79 : x
  2. Step 2: Convert to fraction form
    11,350.53/15,663.12 = 6,313.79/x
  3. Step 3: Cross multiply
    11,350.53x = 15,663.12 × 6,313.79
  4. Step 4: Simplify right side
    11,350.53x = 98,893,572.11
  5. Step 5: Solve for x
    x = 98,893,572.11/11,350.53
  6. Step 6: Final answer
    x = 8,712.68

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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.