Home / 11,766.32-16,237.28-6,461.12

Finding the Fourth Proportional to 11,766.32, 16,237.28 and 6,461.12

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Solution

The fourth proportional to 11,766.32, 16,237.28 and 6,461.12 is: 8,916.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,766.32 : 16,237.28 = 6,461.12 : x
  2. Step 2: Convert to fraction form
    11,766.32/16,237.28 = 6,461.12/x
  3. Step 3: Cross multiply
    11,766.32x = 16,237.28 × 6,461.12
  4. Step 4: Simplify right side
    11,766.32x = 104,911,014.55
  5. Step 5: Solve for x
    x = 104,911,014.55/11,766.32
  6. Step 6: Final answer
    x = 8,916.21

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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.