Home / 12,916.88-17,824.28-7,250.84

Finding the Fourth Proportional to 12,916.88, 17,824.28 and 7,250.84

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Solution

The fourth proportional to 12,916.88, 17,824.28 and 7,250.84 is: 10,005.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,916.88 : 17,824.28 = 7,250.84 : x
  2. Step 2: Convert to fraction form
    12,916.88/17,824.28 = 7,250.84/x
  3. Step 3: Cross multiply
    12,916.88x = 17,824.28 × 7,250.84
  4. Step 4: Simplify right side
    12,916.88x = 129,240,877.02
  5. Step 5: Solve for x
    x = 129,240,877.02/12,916.88
  6. Step 6: Final answer
    x = 10,005.58

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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.