Home / 10,106.28-15,147.12-4,558.16

Finding the Fourth Proportional to 10,106.28, 15,147.12 and 4,558.16

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Solution

The fourth proportional to 10,106.28, 15,147.12 and 4,558.16 is: 6,831.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,106.28 : 15,147.12 = 4,558.16 : x
  2. Step 2: Convert to fraction form
    10,106.28/15,147.12 = 4,558.16/x
  3. Step 3: Cross multiply
    10,106.28x = 15,147.12 × 4,558.16
  4. Step 4: Simplify right side
    10,106.28x = 69,042,996.50
  5. Step 5: Solve for x
    x = 69,042,996.50/10,106.28
  6. Step 6: Final answer
    x = 6,831.69

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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.