Home / 7,914.24-10,921.73-4,377.51

Finding the Fourth Proportional to 7,914.24, 10,921.73 and 4,377.51

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Solution

The fourth proportional to 7,914.24, 10,921.73 and 4,377.51 is: 6,041.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,914.24 : 10,921.73 = 4,377.51 : x
  2. Step 2: Convert to fraction form
    7,914.24/10,921.73 = 4,377.51/x
  3. Step 3: Cross multiply
    7,914.24x = 10,921.73 × 4,377.51
  4. Step 4: Simplify right side
    7,914.24x = 47,809,982.29
  5. Step 5: Solve for x
    x = 47,809,982.29/7,914.24
  6. Step 6: Final answer
    x = 6,041.01

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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.