Home / 12,247.44-18,360.40-4,857.10

Finding the Fourth Proportional to 12,247.44, 18,360.40 and 4,857.10

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Solution

The fourth proportional to 12,247.44, 18,360.40 and 4,857.10 is: 7,281.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,247.44 : 18,360.40 = 4,857.10 : x
  2. Step 2: Convert to fraction form
    12,247.44/18,360.40 = 4,857.10/x
  3. Step 3: Cross multiply
    12,247.44x = 18,360.40 × 4,857.10
  4. Step 4: Simplify right side
    12,247.44x = 89,178,298.84
  5. Step 5: Solve for x
    x = 89,178,298.84/12,247.44
  6. Step 6: Final answer
    x = 7,281.38

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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.