Home / 11,261.35-15,535.69-6,782.46

Finding the Fourth Proportional to 11,261.35, 15,535.69 and 6,782.46

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Solution

The fourth proportional to 11,261.35, 15,535.69 and 6,782.46 is: 9,356.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,261.35 : 15,535.69 = 6,782.46 : x
  2. Step 2: Convert to fraction form
    11,261.35/15,535.69 = 6,782.46/x
  3. Step 3: Cross multiply
    11,261.35x = 15,535.69 × 6,782.46
  4. Step 4: Simplify right side
    11,261.35x = 105,370,196.00
  5. Step 5: Solve for x
    x = 105,370,196.00/11,261.35
  6. Step 6: Final answer
    x = 9,356.80

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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.