Home / 7,116.08-9,821.04-4,092.32

Finding the Fourth Proportional to 7,116.08, 9,821.04 and 4,092.32

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Solution

The fourth proportional to 7,116.08, 9,821.04 and 4,092.32 is: 5,647.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,116.08 : 9,821.04 = 4,092.32 : x
  2. Step 2: Convert to fraction form
    7,116.08/9,821.04 = 4,092.32/x
  3. Step 3: Cross multiply
    7,116.08x = 9,821.04 × 4,092.32
  4. Step 4: Simplify right side
    7,116.08x = 40,190,838.41
  5. Step 5: Solve for x
    x = 40,190,838.41/7,116.08
  6. Step 6: Final answer
    x = 5,647.89

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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.