Home / 7,110.18-9,812.61-4,126.95

Finding the Fourth Proportional to 7,110.18, 9,812.61 and 4,126.95

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Solution

The fourth proportional to 7,110.18, 9,812.61 and 4,126.95 is: 5,695.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,110.18 : 9,812.61 = 4,126.95 : x
  2. Step 2: Convert to fraction form
    7,110.18/9,812.61 = 4,126.95/x
  3. Step 3: Cross multiply
    7,110.18x = 9,812.61 × 4,126.95
  4. Step 4: Simplify right side
    7,110.18x = 40,496,150.84
  5. Step 5: Solve for x
    x = 40,496,150.84/7,110.18
  6. Step 6: Final answer
    x = 5,695.52

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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.