Home / 7,437.72-11,157.66-3,541.32

Finding the Fourth Proportional to 7,437.72, 11,157.66 and 3,541.32

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Solution

The fourth proportional to 7,437.72, 11,157.66 and 3,541.32 is: 5,312.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,437.72 : 11,157.66 = 3,541.32 : x
  2. Step 2: Convert to fraction form
    7,437.72/11,157.66 = 3,541.32/x
  3. Step 3: Cross multiply
    7,437.72x = 11,157.66 × 3,541.32
  4. Step 4: Simplify right side
    7,437.72x = 39,512,844.51
  5. Step 5: Solve for x
    x = 39,512,844.51/7,437.72
  6. Step 6: Final answer
    x = 5,312.49

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.