Home / 12,247.48-16,901.21-6,942.29

Finding the Fourth Proportional to 12,247.48, 16,901.21 and 6,942.29

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Solution

The fourth proportional to 12,247.48, 16,901.21 and 6,942.29 is: 9,580.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,247.48 : 16,901.21 = 6,942.29 : x
  2. Step 2: Convert to fraction form
    12,247.48/16,901.21 = 6,942.29/x
  3. Step 3: Cross multiply
    12,247.48x = 16,901.21 × 6,942.29
  4. Step 4: Simplify right side
    12,247.48x = 117,333,066.46
  5. Step 5: Solve for x
    x = 117,333,066.46/12,247.48
  6. Step 6: Final answer
    x = 9,580.18

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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.