Home / 12,476.49-17,211.69-7,437.84

Finding the Fourth Proportional to 12,476.49, 17,211.69 and 7,437.84

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Solution

The fourth proportional to 12,476.49, 17,211.69 and 7,437.84 is: 10,260.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,476.49 : 17,211.69 = 7,437.84 : x
  2. Step 2: Convert to fraction form
    12,476.49/17,211.69 = 7,437.84/x
  3. Step 3: Cross multiply
    12,476.49x = 17,211.69 × 7,437.84
  4. Step 4: Simplify right side
    12,476.49x = 128,017,796.35
  5. Step 5: Solve for x
    x = 128,017,796.35/12,476.49
  6. Step 6: Final answer
    x = 10,260.72

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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.