Home / 9,051.34-12,491.13-5,071.54

Finding the Fourth Proportional to 9,051.34, 12,491.13 and 5,071.54

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Solution

The fourth proportional to 9,051.34, 12,491.13 and 5,071.54 is: 6,998.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,051.34 : 12,491.13 = 5,071.54 : x
  2. Step 2: Convert to fraction form
    9,051.34/12,491.13 = 5,071.54/x
  3. Step 3: Cross multiply
    9,051.34x = 12,491.13 × 5,071.54
  4. Step 4: Simplify right side
    9,051.34x = 63,349,265.44
  5. Step 5: Solve for x
    x = 63,349,265.44/9,051.34
  6. Step 6: Final answer
    x = 6,998.88

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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.