Home / 10,343.99-15,406.43-10,293.59

Finding the Fourth Proportional to 10,343.99, 15,406.43 and 10,293.59

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Solution

The fourth proportional to 10,343.99, 15,406.43 and 10,293.59 is: 15,331.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,343.99 : 15,406.43 = 10,293.59 : x
  2. Step 2: Convert to fraction form
    10,343.99/15,406.43 = 10,293.59/x
  3. Step 3: Cross multiply
    10,343.99x = 15,406.43 × 10,293.59
  4. Step 4: Simplify right side
    10,343.99x = 158,587,473.78
  5. Step 5: Solve for x
    x = 158,587,473.78/10,343.99
  6. Step 6: Final answer
    x = 15,331.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.