Home / 8,280.66-11,424.53-5,623.46

Finding the Fourth Proportional to 8,280.66, 11,424.53 and 5,623.46

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Solution

The fourth proportional to 8,280.66, 11,424.53 and 5,623.46 is: 7,758.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,280.66 : 11,424.53 = 5,623.46 : x
  2. Step 2: Convert to fraction form
    8,280.66/11,424.53 = 5,623.46/x
  3. Step 3: Cross multiply
    8,280.66x = 11,424.53 × 5,623.46
  4. Step 4: Simplify right side
    8,280.66x = 64,245,302.23
  5. Step 5: Solve for x
    x = 64,245,302.23/8,280.66
  6. Step 6: Final answer
    x = 7,758.48

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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.