Home / 12,254.21-18,370.93-5,588.32

Finding the Fourth Proportional to 12,254.21, 18,370.93 and 5,588.32

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Solution

The fourth proportional to 12,254.21, 18,370.93 and 5,588.32 is: 8,377.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,254.21 : 18,370.93 = 5,588.32 : x
  2. Step 2: Convert to fraction form
    12,254.21/18,370.93 = 5,588.32/x
  3. Step 3: Cross multiply
    12,254.21x = 18,370.93 × 5,588.32
  4. Step 4: Simplify right side
    12,254.21x = 102,662,605.61
  5. Step 5: Solve for x
    x = 102,662,605.61/12,254.21
  6. Step 6: Final answer
    x = 8,377.74

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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.