Home / 8,374.64-11,557.32-4,649.36

Finding the Fourth Proportional to 8,374.64, 11,557.32 and 4,649.36

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Solution

The fourth proportional to 8,374.64, 11,557.32 and 4,649.36 is: 6,416.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,374.64 : 11,557.32 = 4,649.36 : x
  2. Step 2: Convert to fraction form
    8,374.64/11,557.32 = 4,649.36/x
  3. Step 3: Cross multiply
    8,374.64x = 11,557.32 × 4,649.36
  4. Step 4: Simplify right side
    8,374.64x = 53,734,141.32
  5. Step 5: Solve for x
    x = 53,734,141.32/8,374.64
  6. Step 6: Final answer
    x = 6,416.29

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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.