Home / 7,338.68-10,122.09-5,070.81

Finding the Fourth Proportional to 7,338.68, 10,122.09 and 5,070.81

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Solution

The fourth proportional to 7,338.68, 10,122.09 and 5,070.81 is: 6,994.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,338.68 : 10,122.09 = 5,070.81 : x
  2. Step 2: Convert to fraction form
    7,338.68/10,122.09 = 5,070.81/x
  3. Step 3: Cross multiply
    7,338.68x = 10,122.09 × 5,070.81
  4. Step 4: Simplify right side
    7,338.68x = 51,327,195.19
  5. Step 5: Solve for x
    x = 51,327,195.19/7,338.68
  6. Step 6: Final answer
    x = 6,994.07

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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.