Home / 12,931.07-17,844.87-7,265.84

Finding the Fourth Proportional to 12,931.07, 17,844.87 and 7,265.84

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Solution

The fourth proportional to 12,931.07, 17,844.87 and 7,265.84 is: 10,026.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,931.07 : 17,844.87 = 7,265.84 : x
  2. Step 2: Convert to fraction form
    12,931.07/17,844.87 = 7,265.84/x
  3. Step 3: Cross multiply
    12,931.07x = 17,844.87 × 7,265.84
  4. Step 4: Simplify right side
    12,931.07x = 129,657,970.24
  5. Step 5: Solve for x
    x = 129,657,970.24/12,931.07
  6. Step 6: Final answer
    x = 10,026.86

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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.