Home / 10,631.60-15,947.60-4,627.07

Finding the Fourth Proportional to 10,631.60, 15,947.60 and 4,627.07

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Solution

The fourth proportional to 10,631.60, 15,947.60 and 4,627.07 is: 6,940.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,631.60 : 15,947.60 = 4,627.07 : x
  2. Step 2: Convert to fraction form
    10,631.60/15,947.60 = 4,627.07/x
  3. Step 3: Cross multiply
    10,631.60x = 15,947.60 × 4,627.07
  4. Step 4: Simplify right side
    10,631.60x = 73,790,661.53
  5. Step 5: Solve for x
    x = 73,790,661.53/10,631.60
  6. Step 6: Final answer
    x = 6,940.69

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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.