Home / 10,417.92-15,516.64-10,367.68

Finding the Fourth Proportional to 10,417.92, 15,516.64 and 10,367.68

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Solution

The fourth proportional to 10,417.92, 15,516.64 and 10,367.68 is: 15,441.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,417.92 : 15,516.64 = 10,367.68 : x
  2. Step 2: Convert to fraction form
    10,417.92/15,516.64 = 10,367.68/x
  3. Step 3: Cross multiply
    10,417.92x = 15,516.64 × 10,367.68
  4. Step 4: Simplify right side
    10,417.92x = 160,871,558.20
  5. Step 5: Solve for x
    x = 160,871,558.20/10,417.92
  6. Step 6: Final answer
    x = 15,441.81

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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.