Home / 10,008.79-13,812.96-5,533.41

Finding the Fourth Proportional to 10,008.79, 13,812.96 and 5,533.41

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Solution

The fourth proportional to 10,008.79, 13,812.96 and 5,533.41 is: 7,636.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,008.79 : 13,812.96 = 5,533.41 : x
  2. Step 2: Convert to fraction form
    10,008.79/13,812.96 = 5,533.41/x
  3. Step 3: Cross multiply
    10,008.79x = 13,812.96 × 5,533.41
  4. Step 4: Simplify right side
    10,008.79x = 76,432,796.85
  5. Step 5: Solve for x
    x = 76,432,796.85/10,008.79
  6. Step 6: Final answer
    x = 7,636.57

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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.