Home / 8,247.36-11,363.53-5,590.15

Finding the Fourth Proportional to 8,247.36, 11,363.53 and 5,590.15

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Solution

The fourth proportional to 8,247.36, 11,363.53 and 5,590.15 is: 7,702.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,247.36 : 11,363.53 = 5,590.15 : x
  2. Step 2: Convert to fraction form
    8,247.36/11,363.53 = 5,590.15/x
  3. Step 3: Cross multiply
    8,247.36x = 11,363.53 × 5,590.15
  4. Step 4: Simplify right side
    8,247.36x = 63,523,837.23
  5. Step 5: Solve for x
    x = 63,523,837.23/8,247.36
  6. Step 6: Final answer
    x = 7,702.32

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Half scale
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Double scale
Find fourth proportional to 8,248.36, 11,364.91 and 5,591.15
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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.