Home / 11,765.19-16,235.98-6,460.35

Finding the Fourth Proportional to 11,765.19, 16,235.98 and 6,460.35

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Solution

The fourth proportional to 11,765.19, 16,235.98 and 6,460.35 is: 8,915.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,765.19 : 16,235.98 = 6,460.35 : x
  2. Step 2: Convert to fraction form
    11,765.19/16,235.98 = 6,460.35/x
  3. Step 3: Cross multiply
    11,765.19x = 16,235.98 × 6,460.35
  4. Step 4: Simplify right side
    11,765.19x = 104,890,113.39
  5. Step 5: Solve for x
    x = 104,890,113.39/11,765.19
  6. Step 6: Final answer
    x = 8,915.29

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Double scale
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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.