Home / 12,580.42-17,360.88-6,837.84

Finding the Fourth Proportional to 12,580.42, 17,360.88 and 6,837.84

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Solution

The fourth proportional to 12,580.42, 17,360.88 and 6,837.84 is: 9,436.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,580.42 : 17,360.88 = 6,837.84 : x
  2. Step 2: Convert to fraction form
    12,580.42/17,360.88 = 6,837.84/x
  3. Step 3: Cross multiply
    12,580.42x = 17,360.88 × 6,837.84
  4. Step 4: Simplify right side
    12,580.42x = 118,710,919.70
  5. Step 5: Solve for x
    x = 118,710,919.70/12,580.42
  6. Step 6: Final answer
    x = 9,436.17

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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.