Home / 7,017.80-9,680.49-4,499.03

Finding the Fourth Proportional to 7,017.80, 9,680.49 and 4,499.03

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Solution

The fourth proportional to 7,017.80, 9,680.49 and 4,499.03 is: 6,206.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,017.80 : 9,680.49 = 4,499.03 : x
  2. Step 2: Convert to fraction form
    7,017.80/9,680.49 = 4,499.03/x
  3. Step 3: Cross multiply
    7,017.80x = 9,680.49 × 4,499.03
  4. Step 4: Simplify right side
    7,017.80x = 43,552,814.92
  5. Step 5: Solve for x
    x = 43,552,814.92/7,017.80
  6. Step 6: Final answer
    x = 6,206.05

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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.