Home / 7,434.81-10,263.33-5,205.45

Finding the Fourth Proportional to 7,434.81, 10,263.33 and 5,205.45

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Solution

The fourth proportional to 7,434.81, 10,263.33 and 5,205.45 is: 7,185.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,434.81 : 10,263.33 = 5,205.45 : x
  2. Step 2: Convert to fraction form
    7,434.81/10,263.33 = 5,205.45/x
  3. Step 3: Cross multiply
    7,434.81x = 10,263.33 × 5,205.45
  4. Step 4: Simplify right side
    7,434.81x = 53,425,251.15
  5. Step 5: Solve for x
    x = 53,425,251.15/7,434.81
  6. Step 6: Final answer
    x = 7,185.83

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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.