Home / 11,685.24-17,532.54-4,758.12

Finding the Fourth Proportional to 11,685.24, 17,532.54 and 4,758.12

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Solution

The fourth proportional to 11,685.24, 17,532.54 and 4,758.12 is: 7,139.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,685.24 : 17,532.54 = 4,758.12 : x
  2. Step 2: Convert to fraction form
    11,685.24/17,532.54 = 4,758.12/x
  3. Step 3: Cross multiply
    11,685.24x = 17,532.54 × 4,758.12
  4. Step 4: Simplify right side
    11,685.24x = 83,421,929.22
  5. Step 5: Solve for x
    x = 83,421,929.22/11,685.24
  6. Step 6: Final answer
    x = 7,139.09

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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.