Home / 9,126.01-13,712.08-8,756.96

Finding the Fourth Proportional to 9,126.01, 13,712.08 and 8,756.96

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Solution

The fourth proportional to 9,126.01, 13,712.08 and 8,756.96 is: 13,157.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,126.01 : 13,712.08 = 8,756.96 : x
  2. Step 2: Convert to fraction form
    9,126.01/13,712.08 = 8,756.96/x
  3. Step 3: Cross multiply
    9,126.01x = 13,712.08 × 8,756.96
  4. Step 4: Simplify right side
    9,126.01x = 120,076,045.62
  5. Step 5: Solve for x
    x = 120,076,045.62/9,126.01
  6. Step 6: Final answer
    x = 13,157.57

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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.