Home / 10,010.08-13,812.78-5,532.70

Finding the Fourth Proportional to 10,010.08, 13,812.78 and 5,532.70

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Solution

The fourth proportional to 10,010.08, 13,812.78 and 5,532.70 is: 7,634.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,010.08 : 13,812.78 = 5,532.70 : x
  2. Step 2: Convert to fraction form
    10,010.08/13,812.78 = 5,532.70/x
  3. Step 3: Cross multiply
    10,010.08x = 13,812.78 × 5,532.70
  4. Step 4: Simplify right side
    10,010.08x = 76,421,940.24
  5. Step 5: Solve for x
    x = 76,421,940.24/10,010.08
  6. Step 6: Final answer
    x = 7,634.50

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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.