Home / 7,117.80-10,676.70-4,532.20

Finding the Fourth Proportional to 7,117.80, 10,676.70 and 4,532.20

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Solution

The fourth proportional to 7,117.80, 10,676.70 and 4,532.20 is: 6,798.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,117.80 : 10,676.70 = 4,532.20 : x
  2. Step 2: Convert to fraction form
    7,117.80/10,676.70 = 4,532.20/x
  3. Step 3: Cross multiply
    7,117.80x = 10,676.70 × 4,532.20
  4. Step 4: Simplify right side
    7,117.80x = 48,388,939.74
  5. Step 5: Solve for x
    x = 48,388,939.74/7,117.80
  6. Step 6: Final answer
    x = 6,798.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.