Home / 7,119.06-9,821.70-4,465.50

Finding the Fourth Proportional to 7,119.06, 9,821.70 and 4,465.50

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Solution

The fourth proportional to 7,119.06, 9,821.70 and 4,465.50 is: 6,160.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,119.06 : 9,821.70 = 4,465.50 : x
  2. Step 2: Convert to fraction form
    7,119.06/9,821.70 = 4,465.50/x
  3. Step 3: Cross multiply
    7,119.06x = 9,821.70 × 4,465.50
  4. Step 4: Simplify right side
    7,119.06x = 43,858,801.35
  5. Step 5: Solve for x
    x = 43,858,801.35/7,119.06
  6. Step 6: Final answer
    x = 6,160.76

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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.