Home / 9,768.86-13,481.02-5,292.58

Finding the Fourth Proportional to 9,768.86, 13,481.02 and 5,292.58

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Solution

The fourth proportional to 9,768.86, 13,481.02 and 5,292.58 is: 7,303.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,768.86 : 13,481.02 = 5,292.58 : x
  2. Step 2: Convert to fraction form
    9,768.86/13,481.02 = 5,292.58/x
  3. Step 3: Cross multiply
    9,768.86x = 13,481.02 × 5,292.58
  4. Step 4: Simplify right side
    9,768.86x = 71,349,376.83
  5. Step 5: Solve for x
    x = 71,349,376.83/9,768.86
  6. Step 6: Final answer
    x = 7,303.76

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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.