Home / 7,677.12-10,596.16-5,436.64

Finding the Fourth Proportional to 7,677.12, 10,596.16 and 5,436.64

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Solution

The fourth proportional to 7,677.12, 10,596.16 and 5,436.64 is: 7,503.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,677.12 : 10,596.16 = 5,436.64 : x
  2. Step 2: Convert to fraction form
    7,677.12/10,596.16 = 5,436.64/x
  3. Step 3: Cross multiply
    7,677.12x = 10,596.16 × 5,436.64
  4. Step 4: Simplify right side
    7,677.12x = 57,607,507.30
  5. Step 5: Solve for x
    x = 57,607,507.30/7,677.12
  6. Step 6: Final answer
    x = 7,503.79

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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.