Home / 11,347.73-15,657.57-6,631.10

Finding the Fourth Proportional to 11,347.73, 15,657.57 and 6,631.10

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Solution

The fourth proportional to 11,347.73, 15,657.57 and 6,631.10 is: 9,149.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,347.73 : 15,657.57 = 6,631.10 : x
  2. Step 2: Convert to fraction form
    11,347.73/15,657.57 = 6,631.10/x
  3. Step 3: Cross multiply
    11,347.73x = 15,657.57 × 6,631.10
  4. Step 4: Simplify right side
    11,347.73x = 103,826,834.14
  5. Step 5: Solve for x
    x = 103,826,834.14/11,347.73
  6. Step 6: Final answer
    x = 9,149.57

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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.