Home / 7,511.28-10,362.12-4,859.55

Finding the Fourth Proportional to 7,511.28, 10,362.12 and 4,859.55

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Solution

The fourth proportional to 7,511.28, 10,362.12 and 4,859.55 is: 6,703.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,511.28 : 10,362.12 = 4,859.55 : x
  2. Step 2: Convert to fraction form
    7,511.28/10,362.12 = 4,859.55/x
  3. Step 3: Cross multiply
    7,511.28x = 10,362.12 × 4,859.55
  4. Step 4: Simplify right side
    7,511.28x = 50,355,240.25
  5. Step 5: Solve for x
    x = 50,355,240.25/7,511.28
  6. Step 6: Final answer
    x = 6,703.95

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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.