Home / 10,009.19-13,812.90-5,533.44

Finding the Fourth Proportional to 10,009.19, 13,812.90 and 5,533.44

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Solution

The fourth proportional to 10,009.19, 13,812.90 and 5,533.44 is: 7,636.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,009.19 : 13,812.90 = 5,533.44 : x
  2. Step 2: Convert to fraction form
    10,009.19/13,812.90 = 5,533.44/x
  3. Step 3: Cross multiply
    10,009.19x = 13,812.90 × 5,533.44
  4. Step 4: Simplify right side
    10,009.19x = 76,432,853.38
  5. Step 5: Solve for x
    x = 76,432,853.38/10,009.19
  6. Step 6: Final answer
    x = 7,636.27

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Half scale
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Double scale
Find fourth proportional to 10,010.19, 13,814.28 and 5,534.44
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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.