Home / 7,391.74-11,087.62-4,931.36

Finding the Fourth Proportional to 7,391.74, 11,087.62 and 4,931.36

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Solution

The fourth proportional to 7,391.74, 11,087.62 and 4,931.36 is: 7,397.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,391.74 : 11,087.62 = 4,931.36 : x
  2. Step 2: Convert to fraction form
    7,391.74/11,087.62 = 4,931.36/x
  3. Step 3: Cross multiply
    7,391.74x = 11,087.62 × 4,931.36
  4. Step 4: Simplify right side
    7,391.74x = 54,677,045.76
  5. Step 5: Solve for x
    x = 54,677,045.76/7,391.74
  6. Step 6: Final answer
    x = 7,397.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.