Home / 10,845.77-14,966.78-6,129.95

Finding the Fourth Proportional to 10,845.77, 14,966.78 and 6,129.95

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Solution

The fourth proportional to 10,845.77, 14,966.78 and 6,129.95 is: 8,459.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,845.77 : 14,966.78 = 6,129.95 : x
  2. Step 2: Convert to fraction form
    10,845.77/14,966.78 = 6,129.95/x
  3. Step 3: Cross multiply
    10,845.77x = 14,966.78 × 6,129.95
  4. Step 4: Simplify right side
    10,845.77x = 91,745,507.58
  5. Step 5: Solve for x
    x = 91,745,507.58/10,845.77
  6. Step 6: Final answer
    x = 8,459.11

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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.