Home / 7,914.96-10,922.38-4,329.90

Finding the Fourth Proportional to 7,914.96, 10,922.38 and 4,329.90

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Solution

The fourth proportional to 7,914.96, 10,922.38 and 4,329.90 is: 5,975.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,914.96 : 10,922.38 = 4,329.90 : x
  2. Step 2: Convert to fraction form
    7,914.96/10,922.38 = 4,329.90/x
  3. Step 3: Cross multiply
    7,914.96x = 10,922.38 × 4,329.90
  4. Step 4: Simplify right side
    7,914.96x = 47,292,802.34
  5. Step 5: Solve for x
    x = 47,292,802.34/7,914.96
  6. Step 6: Final answer
    x = 5,975.12

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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.