Home / 9,942.51-13,720.32-5,466.23

Finding the Fourth Proportional to 9,942.51, 13,720.32 and 5,466.23

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Solution

The fourth proportional to 9,942.51, 13,720.32 and 5,466.23 is: 7,543.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,942.51 : 13,720.32 = 5,466.23 : x
  2. Step 2: Convert to fraction form
    9,942.51/13,720.32 = 5,466.23/x
  3. Step 3: Cross multiply
    9,942.51x = 13,720.32 × 5,466.23
  4. Step 4: Simplify right side
    9,942.51x = 74,998,397.46
  5. Step 5: Solve for x
    x = 74,998,397.46/9,942.51
  6. Step 6: Final answer
    x = 7,543.21

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Half scale
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Double scale
Find fourth proportional to 9,943.51, 13,721.69 and 5,467.23
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.