Home / 9,781.56-13,495.23-5,532.12

Finding the Fourth Proportional to 9,781.56, 13,495.23 and 5,532.12

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Solution

The fourth proportional to 9,781.56, 13,495.23 and 5,532.12 is: 7,632.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,781.56 : 13,495.23 = 5,532.12 : x
  2. Step 2: Convert to fraction form
    9,781.56/13,495.23 = 5,532.12/x
  3. Step 3: Cross multiply
    9,781.56x = 13,495.23 × 5,532.12
  4. Step 4: Simplify right side
    9,781.56x = 74,657,231.79
  5. Step 5: Solve for x
    x = 74,657,231.79/9,781.56
  6. Step 6: Final answer
    x = 7,632.45

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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.