Home / 12,404.04-17,117.30-6,738.64

Finding the Fourth Proportional to 12,404.04, 17,117.30 and 6,738.64

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Solution

The fourth proportional to 12,404.04, 17,117.30 and 6,738.64 is: 9,299.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,404.04 : 17,117.30 = 6,738.64 : x
  2. Step 2: Convert to fraction form
    12,404.04/17,117.30 = 6,738.64/x
  3. Step 3: Cross multiply
    12,404.04x = 17,117.30 × 6,738.64
  4. Step 4: Simplify right side
    12,404.04x = 115,347,322.47
  5. Step 5: Solve for x
    x = 115,347,322.47/12,404.04
  6. Step 6: Final answer
    x = 9,299.17

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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.