Home / 10,967.42-15,131.49-6,714.05

Finding the Fourth Proportional to 10,967.42, 15,131.49 and 6,714.05

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Solution

The fourth proportional to 10,967.42, 15,131.49 and 6,714.05 is: 9,263.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,967.42 : 15,131.49 = 6,714.05 : x
  2. Step 2: Convert to fraction form
    10,967.42/15,131.49 = 6,714.05/x
  3. Step 3: Cross multiply
    10,967.42x = 15,131.49 × 6,714.05
  4. Step 4: Simplify right side
    10,967.42x = 101,593,580.43
  5. Step 5: Solve for x
    x = 101,593,580.43/10,967.42
  6. Step 6: Final answer
    x = 9,263.22

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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.