Home / 7,770.14-10,722.38-4,412.86

Finding the Fourth Proportional to 7,770.14, 10,722.38 and 4,412.86

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Solution

The fourth proportional to 7,770.14, 10,722.38 and 4,412.86 is: 6,089.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,770.14 : 10,722.38 = 4,412.86 : x
  2. Step 2: Convert to fraction form
    7,770.14/10,722.38 = 4,412.86/x
  3. Step 3: Cross multiply
    7,770.14x = 10,722.38 × 4,412.86
  4. Step 4: Simplify right side
    7,770.14x = 47,316,361.81
  5. Step 5: Solve for x
    x = 47,316,361.81/7,770.14
  6. Step 6: Final answer
    x = 6,089.51

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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.