Home / 7,416.64-10,236-4,272.76

Finding the Fourth Proportional to 7,416.64, 10,236 and 4,272.76

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Solution

The fourth proportional to 7,416.64, 10,236 and 4,272.76 is: 5,897.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,416.64 : 10,236 = 4,272.76 : x
  2. Step 2: Convert to fraction form
    7,416.64/10,236 = 4,272.76/x
  3. Step 3: Cross multiply
    7,416.64x = 10,236 × 4,272.76
  4. Step 4: Simplify right side
    7,416.64x = 43,735,971.36
  5. Step 5: Solve for x
    x = 43,735,971.36/7,416.64
  6. Step 6: Final answer
    x = 5,897.01

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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.