Home / 11,355.48-17,008.20-6,959.52

Finding the Fourth Proportional to 11,355.48, 17,008.20 and 6,959.52

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Solution

The fourth proportional to 11,355.48, 17,008.20 and 6,959.52 is: 10,423.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,355.48 : 17,008.20 = 6,959.52 : x
  2. Step 2: Convert to fraction form
    11,355.48/17,008.20 = 6,959.52/x
  3. Step 3: Cross multiply
    11,355.48x = 17,008.20 × 6,959.52
  4. Step 4: Simplify right side
    11,355.48x = 118,368,908.06
  5. Step 5: Solve for x
    x = 118,368,908.06/11,355.48
  6. Step 6: Final answer
    x = 10,423.95

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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.