Home / 11,262.16-15,534.48-6,782.68

Finding the Fourth Proportional to 11,262.16, 15,534.48 and 6,782.68

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Solution

The fourth proportional to 11,262.16, 15,534.48 and 6,782.68 is: 9,355.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,262.16 : 15,534.48 = 6,782.68 : x
  2. Step 2: Convert to fraction form
    11,262.16/15,534.48 = 6,782.68/x
  3. Step 3: Cross multiply
    11,262.16x = 15,534.48 × 6,782.68
  4. Step 4: Simplify right side
    11,262.16x = 105,365,406.81
  5. Step 5: Solve for x
    x = 105,365,406.81/11,262.16
  6. Step 6: Final answer
    x = 9,355.70

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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.