Home / 12,247.25-16,902.63-6,871.17

Finding the Fourth Proportional to 12,247.25, 16,902.63 and 6,871.17

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Solution

The fourth proportional to 12,247.25, 16,902.63 and 6,871.17 is: 9,483.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,247.25 : 16,902.63 = 6,871.17 : x
  2. Step 2: Convert to fraction form
    12,247.25/16,902.63 = 6,871.17/x
  3. Step 3: Cross multiply
    12,247.25x = 16,902.63 × 6,871.17
  4. Step 4: Simplify right side
    12,247.25x = 116,140,844.18
  5. Step 5: Solve for x
    x = 116,140,844.18/12,247.25
  6. Step 6: Final answer
    x = 9,483.01

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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.