Home / 9,126.51-13,712.83-8,757.45

Finding the Fourth Proportional to 9,126.51, 13,712.83 and 8,757.45

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Solution

The fourth proportional to 9,126.51, 13,712.83 and 8,757.45 is: 13,158.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,126.51 : 13,712.83 = 8,757.45 : x
  2. Step 2: Convert to fraction form
    9,126.51/13,712.83 = 8,757.45/x
  3. Step 3: Cross multiply
    9,126.51x = 13,712.83 × 8,757.45
  4. Step 4: Simplify right side
    9,126.51x = 120,089,423.08
  5. Step 5: Solve for x
    x = 120,089,423.08/9,126.51
  6. Step 6: Final answer
    x = 13,158.31

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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.