Home / 9,222.36-12,726.48-5,445.63

Finding the Fourth Proportional to 9,222.36, 12,726.48 and 5,445.63

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Solution

The fourth proportional to 9,222.36, 12,726.48 and 5,445.63 is: 7,514.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,222.36 : 12,726.48 = 5,445.63 : x
  2. Step 2: Convert to fraction form
    9,222.36/12,726.48 = 5,445.63/x
  3. Step 3: Cross multiply
    9,222.36x = 12,726.48 × 5,445.63
  4. Step 4: Simplify right side
    9,222.36x = 69,303,701.28
  5. Step 5: Solve for x
    x = 69,303,701.28/9,222.36
  6. Step 6: Final answer
    x = 7,514.75

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Half scale
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Double scale
Find fourth proportional to 9,223.36, 12,727.86 and 5,446.63
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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.