Home / 7,512.83-10,366.78-4,155.18

Finding the Fourth Proportional to 7,512.83, 10,366.78 and 4,155.18

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Solution

The fourth proportional to 7,512.83, 10,366.78 and 4,155.18 is: 5,733.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,512.83 : 10,366.78 = 4,155.18 : x
  2. Step 2: Convert to fraction form
    7,512.83/10,366.78 = 4,155.18/x
  3. Step 3: Cross multiply
    7,512.83x = 10,366.78 × 4,155.18
  4. Step 4: Simplify right side
    7,512.83x = 43,075,836.92
  5. Step 5: Solve for x
    x = 43,075,836.92/7,512.83
  6. Step 6: Final answer
    x = 5,733.64

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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.