Home / 8,515.36-11,750.98-4,929.82

Finding the Fourth Proportional to 8,515.36, 11,750.98 and 4,929.82

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Solution

The fourth proportional to 8,515.36, 11,750.98 and 4,929.82 is: 6,803.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,515.36 : 11,750.98 = 4,929.82 : x
  2. Step 2: Convert to fraction form
    8,515.36/11,750.98 = 4,929.82/x
  3. Step 3: Cross multiply
    8,515.36x = 11,750.98 × 4,929.82
  4. Step 4: Simplify right side
    8,515.36x = 57,930,216.22
  5. Step 5: Solve for x
    x = 57,930,216.22/8,515.36
  6. Step 6: Final answer
    x = 6,803.03

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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.