Home / 7,337.12-10,122.46-5,427.51

Finding the Fourth Proportional to 7,337.12, 10,122.46 and 5,427.51

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Solution

The fourth proportional to 7,337.12, 10,122.46 and 5,427.51 is: 7,487.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,337.12 : 10,122.46 = 5,427.51 : x
  2. Step 2: Convert to fraction form
    7,337.12/10,122.46 = 5,427.51/x
  3. Step 3: Cross multiply
    7,337.12x = 10,122.46 × 5,427.51
  4. Step 4: Simplify right side
    7,337.12x = 54,939,688.69
  5. Step 5: Solve for x
    x = 54,939,688.69/7,337.12
  6. Step 6: Final answer
    x = 7,487.91

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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.