Home / 7,416.22-10,223.48-5,644.76

Finding the Fourth Proportional to 7,416.22, 10,223.48 and 5,644.76

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Solution

The fourth proportional to 7,416.22, 10,223.48 and 5,644.76 is: 7,781.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,416.22 : 10,223.48 = 5,644.76 : x
  2. Step 2: Convert to fraction form
    7,416.22/10,223.48 = 5,644.76/x
  3. Step 3: Cross multiply
    7,416.22x = 10,223.48 × 5,644.76
  4. Step 4: Simplify right side
    7,416.22x = 57,709,090.96
  5. Step 5: Solve for x
    x = 57,709,090.96/7,416.22
  6. Step 6: Final answer
    x = 7,781.47

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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.