Home / 11,364.12-15,695.58-7,580.68

Finding the Fourth Proportional to 11,364.12, 15,695.58 and 7,580.68

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Solution

The fourth proportional to 11,364.12, 15,695.58 and 7,580.68 is: 10,470.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,364.12 : 15,695.58 = 7,580.68 : x
  2. Step 2: Convert to fraction form
    11,364.12/15,695.58 = 7,580.68/x
  3. Step 3: Cross multiply
    11,364.12x = 15,695.58 × 7,580.68
  4. Step 4: Simplify right side
    11,364.12x = 118,983,169.39
  5. Step 5: Solve for x
    x = 118,983,169.39/11,364.12
  6. Step 6: Final answer
    x = 10,470.07

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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.