Home / 9,051.66-12,491.07-5,274.58

Finding the Fourth Proportional to 9,051.66, 12,491.07 and 5,274.58

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Solution

The fourth proportional to 9,051.66, 12,491.07 and 5,274.58 is: 7,278.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,051.66 : 12,491.07 = 5,274.58 : x
  2. Step 2: Convert to fraction form
    9,051.66/12,491.07 = 5,274.58/x
  3. Step 3: Cross multiply
    9,051.66x = 12,491.07 × 5,274.58
  4. Step 4: Simplify right side
    9,051.66x = 65,885,148.00
  5. Step 5: Solve for x
    x = 65,885,148.00/9,051.66
  6. Step 6: Final answer
    x = 7,278.79

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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.