Home / 7,905.11-11,856.46-2,973.59

Finding the Fourth Proportional to 7,905.11, 11,856.46 and 2,973.59

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Solution

The fourth proportional to 7,905.11, 11,856.46 and 2,973.59 is: 4,459.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,905.11 : 11,856.46 = 2,973.59 : x
  2. Step 2: Convert to fraction form
    7,905.11/11,856.46 = 2,973.59/x
  3. Step 3: Cross multiply
    7,905.11x = 11,856.46 × 2,973.59
  4. Step 4: Simplify right side
    7,905.11x = 35,256,236.02
  5. Step 5: Solve for x
    x = 35,256,236.02/7,905.11
  6. Step 6: Final answer
    x = 4,459.93

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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.