Home / 34,307.12-51,467.16-11,811.80

Finding the Fourth Proportional to 34,307.12, 51,467.16 and 11,811.80

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Solution

The fourth proportional to 34,307.12, 51,467.16 and 11,811.80 is: 17,719.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,307.12 : 51,467.16 = 11,811.80 : x
  2. Step 2: Convert to fraction form
    34,307.12/51,467.16 = 11,811.80/x
  3. Step 3: Cross multiply
    34,307.12x = 51,467.16 × 11,811.80
  4. Step 4: Simplify right side
    34,307.12x = 607,919,800.49
  5. Step 5: Solve for x
    x = 607,919,800.49/34,307.12
  6. Step 6: Final answer
    x = 17,719.93

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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.