Home / 10,984.14-15,150.51-9,316.62

Finding the Fourth Proportional to 10,984.14, 15,150.51 and 9,316.62

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Solution

The fourth proportional to 10,984.14, 15,150.51 and 9,316.62 is: 12,850.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,984.14 : 15,150.51 = 9,316.62 : x
  2. Step 2: Convert to fraction form
    10,984.14/15,150.51 = 9,316.62/x
  3. Step 3: Cross multiply
    10,984.14x = 15,150.51 × 9,316.62
  4. Step 4: Simplify right side
    10,984.14x = 141,151,544.48
  5. Step 5: Solve for x
    x = 141,151,544.48/10,984.14
  6. Step 6: Final answer
    x = 12,850.49

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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.