Home / 9,960.88-13,750.68-5,768.32

Finding the Fourth Proportional to 9,960.88, 13,750.68 and 5,768.32

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Solution

The fourth proportional to 9,960.88, 13,750.68 and 5,768.32 is: 7,962.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,960.88 : 13,750.68 = 5,768.32 : x
  2. Step 2: Convert to fraction form
    9,960.88/13,750.68 = 5,768.32/x
  3. Step 3: Cross multiply
    9,960.88x = 13,750.68 × 5,768.32
  4. Step 4: Simplify right side
    9,960.88x = 79,318,322.46
  5. Step 5: Solve for x
    x = 79,318,322.46/9,960.88
  6. Step 6: Final answer
    x = 7,962.98

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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.