Home / 10,140.57-15,205.59-4,591.26

Finding the Fourth Proportional to 10,140.57, 15,205.59 and 4,591.26

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Solution

The fourth proportional to 10,140.57, 15,205.59 and 4,591.26 is: 6,884.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,140.57 : 15,205.59 = 4,591.26 : x
  2. Step 2: Convert to fraction form
    10,140.57/15,205.59 = 4,591.26/x
  3. Step 3: Cross multiply
    10,140.57x = 15,205.59 × 4,591.26
  4. Step 4: Simplify right side
    10,140.57x = 69,812,817.14
  5. Step 5: Solve for x
    x = 69,812,817.14/10,140.57
  6. Step 6: Final answer
    x = 6,884.51

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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.