Home / 10,242.13-15,365.63-3,316.63

Finding the Fourth Proportional to 10,242.13, 15,365.63 and 3,316.63

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Solution

The fourth proportional to 10,242.13, 15,365.63 and 3,316.63 is: 4,975.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,242.13 : 15,365.63 = 3,316.63 : x
  2. Step 2: Convert to fraction form
    10,242.13/15,365.63 = 3,316.63/x
  3. Step 3: Cross multiply
    10,242.13x = 15,365.63 × 3,316.63
  4. Step 4: Simplify right side
    10,242.13x = 50,962,092.84
  5. Step 5: Solve for x
    x = 50,962,092.84/10,242.13
  6. Step 6: Final answer
    x = 4,975.73

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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.