Home / 7,459.84-11,177.16-3,555.64

Finding the Fourth Proportional to 7,459.84, 11,177.16 and 3,555.64

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Solution

The fourth proportional to 7,459.84, 11,177.16 and 3,555.64 is: 5,327.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,459.84 : 11,177.16 = 3,555.64 : x
  2. Step 2: Convert to fraction form
    7,459.84/11,177.16 = 3,555.64/x
  3. Step 3: Cross multiply
    7,459.84x = 11,177.16 × 3,555.64
  4. Step 4: Simplify right side
    7,459.84x = 39,741,957.18
  5. Step 5: Solve for x
    x = 39,741,957.18/7,459.84
  6. Step 6: Final answer
    x = 5,327.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.