Home / 9,051.37-12,490.20-5,071.71

Finding the Fourth Proportional to 9,051.37, 12,490.20 and 5,071.71

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Solution

The fourth proportional to 9,051.37, 12,490.20 and 5,071.71 is: 6,998.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,051.37 : 12,490.20 = 5,071.71 : x
  2. Step 2: Convert to fraction form
    9,051.37/12,490.20 = 5,071.71/x
  3. Step 3: Cross multiply
    9,051.37x = 12,490.20 × 5,071.71
  4. Step 4: Simplify right side
    9,051.37x = 63,346,691.26
  5. Step 5: Solve for x
    x = 63,346,691.26/9,051.37
  6. Step 6: Final answer
    x = 6,998.58

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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.