Home / 11,075.52-15,286.61-6,362.40

Finding the Fourth Proportional to 11,075.52, 15,286.61 and 6,362.40

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Solution

The fourth proportional to 11,075.52, 15,286.61 and 6,362.40 is: 8,781.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,075.52 : 15,286.61 = 6,362.40 : x
  2. Step 2: Convert to fraction form
    11,075.52/15,286.61 = 6,362.40/x
  3. Step 3: Cross multiply
    11,075.52x = 15,286.61 × 6,362.40
  4. Step 4: Simplify right side
    11,075.52x = 97,259,527.46
  5. Step 5: Solve for x
    x = 97,259,527.46/11,075.52
  6. Step 6: Final answer
    x = 8,781.49

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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.