Home / 7,015.77-9,680.72-4,500.18

Finding the Fourth Proportional to 7,015.77, 9,680.72 and 4,500.18

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Solution

The fourth proportional to 7,015.77, 9,680.72 and 4,500.18 is: 6,209.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,015.77 : 9,680.72 = 4,500.18 : x
  2. Step 2: Convert to fraction form
    7,015.77/9,680.72 = 4,500.18/x
  3. Step 3: Cross multiply
    7,015.77x = 9,680.72 × 4,500.18
  4. Step 4: Simplify right side
    7,015.77x = 43,564,960.03
  5. Step 5: Solve for x
    x = 43,564,960.03/7,015.77
  6. Step 6: Final answer
    x = 6,209.58

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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.