Home / 11,851.84-17,758.30-4,056.40

Finding the Fourth Proportional to 11,851.84, 17,758.30 and 4,056.40

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Solution

The fourth proportional to 11,851.84, 17,758.30 and 4,056.40 is: 6,077.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,851.84 : 17,758.30 = 4,056.40 : x
  2. Step 2: Convert to fraction form
    11,851.84/17,758.30 = 4,056.40/x
  3. Step 3: Cross multiply
    11,851.84x = 17,758.30 × 4,056.40
  4. Step 4: Simplify right side
    11,851.84x = 72,034,768.12
  5. Step 5: Solve for x
    x = 72,034,768.12/11,851.84
  6. Step 6: Final answer
    x = 6,077.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.