Home / 7,108.16-9,808.56-4,124.18

Finding the Fourth Proportional to 7,108.16, 9,808.56 and 4,124.18

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Solution

The fourth proportional to 7,108.16, 9,808.56 and 4,124.18 is: 5,690.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,108.16 : 9,808.56 = 4,124.18 : x
  2. Step 2: Convert to fraction form
    7,108.16/9,808.56 = 4,124.18/x
  3. Step 3: Cross multiply
    7,108.16x = 9,808.56 × 4,124.18
  4. Step 4: Simplify right side
    7,108.16x = 40,452,266.98
  5. Step 5: Solve for x
    x = 40,452,266.98/7,108.16
  6. Step 6: Final answer
    x = 5,690.96

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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.