Home / 12,412.29-18,629.37-10,465.86

Finding the Fourth Proportional to 12,412.29, 18,629.37 and 10,465.86

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Solution

The fourth proportional to 12,412.29, 18,629.37 and 10,465.86 is: 15,708.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,412.29 : 18,629.37 = 10,465.86 : x
  2. Step 2: Convert to fraction form
    12,412.29/18,629.37 = 10,465.86/x
  3. Step 3: Cross multiply
    12,412.29x = 18,629.37 × 10,465.86
  4. Step 4: Simplify right side
    12,412.29x = 194,972,378.31
  5. Step 5: Solve for x
    x = 194,972,378.31/12,412.29
  6. Step 6: Final answer
    x = 15,708.01

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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.