Home / 9,106.36-12,565.44-5,126.68

Finding the Fourth Proportional to 9,106.36, 12,565.44 and 5,126.68

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Solution

The fourth proportional to 9,106.36, 12,565.44 and 5,126.68 is: 7,074.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,106.36 : 12,565.44 = 5,126.68 : x
  2. Step 2: Convert to fraction form
    9,106.36/12,565.44 = 5,126.68/x
  3. Step 3: Cross multiply
    9,106.36x = 12,565.44 × 5,126.68
  4. Step 4: Simplify right side
    9,106.36x = 64,418,989.94
  5. Step 5: Solve for x
    x = 64,418,989.94/9,106.36
  6. Step 6: Final answer
    x = 7,074.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.