Home / 7,350.46-10,143.63-4,206.64

Finding the Fourth Proportional to 7,350.46, 10,143.63 and 4,206.64

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Solution

The fourth proportional to 7,350.46, 10,143.63 and 4,206.64 is: 5,805.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,350.46 : 10,143.63 = 4,206.64 : x
  2. Step 2: Convert to fraction form
    7,350.46/10,143.63 = 4,206.64/x
  3. Step 3: Cross multiply
    7,350.46x = 10,143.63 × 4,206.64
  4. Step 4: Simplify right side
    7,350.46x = 42,670,599.70
  5. Step 5: Solve for x
    x = 42,670,599.70/7,350.46
  6. Step 6: Final answer
    x = 5,805.16

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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.