Home / 11,220.09-15,483.63-6,184.32

Finding the Fourth Proportional to 11,220.09, 15,483.63 and 6,184.32

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Solution

The fourth proportional to 11,220.09, 15,483.63 and 6,184.32 is: 8,534.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,220.09 : 15,483.63 = 6,184.32 : x
  2. Step 2: Convert to fraction form
    11,220.09/15,483.63 = 6,184.32/x
  3. Step 3: Cross multiply
    11,220.09x = 15,483.63 × 6,184.32
  4. Step 4: Simplify right side
    11,220.09x = 95,755,645.26
  5. Step 5: Solve for x
    x = 95,755,645.26/11,220.09
  6. Step 6: Final answer
    x = 8,534.31

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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.