Home / 12,931.00-17,844.10-7,265.99

Finding the Fourth Proportional to 12,931.00, 17,844.10 and 7,265.99

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Solution

The fourth proportional to 12,931.00, 17,844.10 and 7,265.99 is: 10,026.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,931.00 : 17,844.10 = 7,265.99 : x
  2. Step 2: Convert to fraction form
    12,931.00/17,844.10 = 7,265.99/x
  3. Step 3: Cross multiply
    12,931.00x = 17,844.10 × 7,265.99
  4. Step 4: Simplify right side
    12,931.00x = 129,655,078.60
  5. Step 5: Solve for x
    x = 129,655,078.60/12,931.00
  6. Step 6: Final answer
    x = 10,026.69

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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.