Home / 7,099.95-9,798.27-4,116.72

Finding the Fourth Proportional to 7,099.95, 9,798.27 and 4,116.72

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Solution

The fourth proportional to 7,099.95, 9,798.27 and 4,116.72 is: 5,681.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,099.95 : 9,798.27 = 4,116.72 : x
  2. Step 2: Convert to fraction form
    7,099.95/9,798.27 = 4,116.72/x
  3. Step 3: Cross multiply
    7,099.95x = 9,798.27 × 4,116.72
  4. Step 4: Simplify right side
    7,099.95x = 40,336,755.38
  5. Step 5: Solve for x
    x = 40,336,755.38/7,099.95
  6. Step 6: Final answer
    x = 5,681.27

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Half scale
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Double scale
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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.