Home / 7,512.11-10,355.65-5,913.62

Finding the Fourth Proportional to 7,512.11, 10,355.65 and 5,913.62

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Solution

The fourth proportional to 7,512.11, 10,355.65 and 5,913.62 is: 8,152.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,512.11 : 10,355.65 = 5,913.62 : x
  2. Step 2: Convert to fraction form
    7,512.11/10,355.65 = 5,913.62/x
  3. Step 3: Cross multiply
    7,512.11x = 10,355.65 × 5,913.62
  4. Step 4: Simplify right side
    7,512.11x = 61,239,378.95
  5. Step 5: Solve for x
    x = 61,239,378.95/7,512.11
  6. Step 6: Final answer
    x = 8,152.09

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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.