Home / 12,931.88-17,845.05-7,266.33

Finding the Fourth Proportional to 12,931.88, 17,845.05 and 7,266.33

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Solution

The fourth proportional to 12,931.88, 17,845.05 and 7,266.33 is: 10,027.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,931.88 : 17,845.05 = 7,266.33 : x
  2. Step 2: Convert to fraction form
    12,931.88/17,845.05 = 7,266.33/x
  3. Step 3: Cross multiply
    12,931.88x = 17,845.05 × 7,266.33
  4. Step 4: Simplify right side
    12,931.88x = 129,668,022.17
  5. Step 5: Solve for x
    x = 129,668,022.17/12,931.88
  6. Step 6: Final answer
    x = 10,027.01

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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.