Home / 9,490.10-13,095.65-5,240.48

Finding the Fourth Proportional to 9,490.10, 13,095.65 and 5,240.48

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Solution

The fourth proportional to 9,490.10, 13,095.65 and 5,240.48 is: 7,231.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,490.10 : 13,095.65 = 5,240.48 : x
  2. Step 2: Convert to fraction form
    9,490.10/13,095.65 = 5,240.48/x
  3. Step 3: Cross multiply
    9,490.10x = 13,095.65 × 5,240.48
  4. Step 4: Simplify right side
    9,490.10x = 68,627,400.23
  5. Step 5: Solve for x
    x = 68,627,400.23/9,490.10
  6. Step 6: Final answer
    x = 7,231.48

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Double scale
Find fourth proportional to 9,491.10, 13,097.02 and 5,241.48
Similar ratio
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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.