Home / 9,360.14-12,917.86-5,383.58

Finding the Fourth Proportional to 9,360.14, 12,917.86 and 5,383.58

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Solution

The fourth proportional to 9,360.14, 12,917.86 and 5,383.58 is: 7,429.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,360.14 : 12,917.86 = 5,383.58 : x
  2. Step 2: Convert to fraction form
    9,360.14/12,917.86 = 5,383.58/x
  3. Step 3: Cross multiply
    9,360.14x = 12,917.86 × 5,383.58
  4. Step 4: Simplify right side
    9,360.14x = 69,544,332.74
  5. Step 5: Solve for x
    x = 69,544,332.74/9,360.14
  6. Step 6: Final answer
    x = 7,429.84

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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.