Home / 7,549.36-10,416.60-4,191.71

Finding the Fourth Proportional to 7,549.36, 10,416.60 and 4,191.71

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Solution

The fourth proportional to 7,549.36, 10,416.60 and 4,191.71 is: 5,783.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,549.36 : 10,416.60 = 4,191.71 : x
  2. Step 2: Convert to fraction form
    7,549.36/10,416.60 = 4,191.71/x
  3. Step 3: Cross multiply
    7,549.36x = 10,416.60 × 4,191.71
  4. Step 4: Simplify right side
    7,549.36x = 43,663,314.30
  5. Step 5: Solve for x
    x = 43,663,314.30/7,549.36
  6. Step 6: Final answer
    x = 5,783.71

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Half 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.