Home / 11,297.32-15,590.39-6,261.63

Finding the Fourth Proportional to 11,297.32, 15,590.39 and 6,261.63

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Solution

The fourth proportional to 11,297.32, 15,590.39 and 6,261.63 is: 8,641.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,297.32 : 15,590.39 = 6,261.63 : x
  2. Step 2: Convert to fraction form
    11,297.32/15,590.39 = 6,261.63/x
  3. Step 3: Cross multiply
    11,297.32x = 15,590.39 × 6,261.63
  4. Step 4: Simplify right side
    11,297.32x = 97,621,253.74
  5. Step 5: Solve for x
    x = 97,621,253.74/11,297.32
  6. Step 6: Final answer
    x = 8,641.10

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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.