Home / 10,077.05-13,905.08-5,601.74

Finding the Fourth Proportional to 10,077.05, 13,905.08 and 5,601.74

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Solution

The fourth proportional to 10,077.05, 13,905.08 and 5,601.74 is: 7,729.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,077.05 : 13,905.08 = 5,601.74 : x
  2. Step 2: Convert to fraction form
    10,077.05/13,905.08 = 5,601.74/x
  3. Step 3: Cross multiply
    10,077.05x = 13,905.08 × 5,601.74
  4. Step 4: Simplify right side
    10,077.05x = 77,892,642.84
  5. Step 5: Solve for x
    x = 77,892,642.84/10,077.05
  6. Step 6: Final answer
    x = 7,729.71

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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.