Home / 7,660.98-11,484.53-5,322.08

Finding the Fourth Proportional to 7,660.98, 11,484.53 and 5,322.08

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Solution

The fourth proportional to 7,660.98, 11,484.53 and 5,322.08 is: 7,978.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,660.98 : 11,484.53 = 5,322.08 : x
  2. Step 2: Convert to fraction form
    7,660.98/11,484.53 = 5,322.08/x
  3. Step 3: Cross multiply
    7,660.98x = 11,484.53 × 5,322.08
  4. Step 4: Simplify right side
    7,660.98x = 61,121,607.12
  5. Step 5: Solve for x
    x = 61,121,607.12/7,660.98
  6. Step 6: Final answer
    x = 7,978.30

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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.