Home / 7,464.72-10,303.62-4,812.12

Finding the Fourth Proportional to 7,464.72, 10,303.62 and 4,812.12

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Solution

The fourth proportional to 7,464.72, 10,303.62 and 4,812.12 is: 6,642.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,464.72 : 10,303.62 = 4,812.12 : x
  2. Step 2: Convert to fraction form
    7,464.72/10,303.62 = 4,812.12/x
  3. Step 3: Cross multiply
    7,464.72x = 10,303.62 × 4,812.12
  4. Step 4: Simplify right side
    7,464.72x = 49,582,255.87
  5. Step 5: Solve for x
    x = 49,582,255.87/7,464.72
  6. Step 6: Final answer
    x = 6,642.21

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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.