Home / 9,358.34-12,914.51-5,166.59

Finding the Fourth Proportional to 9,358.34, 12,914.51 and 5,166.59

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Solution

The fourth proportional to 9,358.34, 12,914.51 and 5,166.59 is: 7,129.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,358.34 : 12,914.51 = 5,166.59 : x
  2. Step 2: Convert to fraction form
    9,358.34/12,914.51 = 5,166.59/x
  3. Step 3: Cross multiply
    9,358.34x = 12,914.51 × 5,166.59
  4. Step 4: Simplify right side
    9,358.34x = 66,723,887.82
  5. Step 5: Solve for x
    x = 66,723,887.82/9,358.34
  6. Step 6: Final answer
    x = 7,129.89

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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.