Home / 12,232.05-16,880.30-7,196.47

Finding the Fourth Proportional to 12,232.05, 16,880.30 and 7,196.47

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Solution

The fourth proportional to 12,232.05, 16,880.30 and 7,196.47 is: 9,931.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,232.05 : 16,880.30 = 7,196.47 : x
  2. Step 2: Convert to fraction form
    12,232.05/16,880.30 = 7,196.47/x
  3. Step 3: Cross multiply
    12,232.05x = 16,880.30 × 7,196.47
  4. Step 4: Simplify right side
    12,232.05x = 121,478,572.54
  5. Step 5: Solve for x
    x = 121,478,572.54/12,232.05
  6. Step 6: Final answer
    x = 9,931.17

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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.