Home / 7,208.44-10,812.60-4,872.40

Finding the Fourth Proportional to 7,208.44, 10,812.60 and 4,872.40

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Solution

The fourth proportional to 7,208.44, 10,812.60 and 4,872.40 is: 7,308.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,208.44 : 10,812.60 = 4,872.40 : x
  2. Step 2: Convert to fraction form
    7,208.44/10,812.60 = 4,872.40/x
  3. Step 3: Cross multiply
    7,208.44x = 10,812.60 × 4,872.40
  4. Step 4: Simplify right side
    7,208.44x = 52,683,312.24
  5. Step 5: Solve for x
    x = 52,683,312.24/7,208.44
  6. Step 6: Final answer
    x = 7,308.56

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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.