Home / 7,087.14-9,779.94-4,728.96

Finding the Fourth Proportional to 7,087.14, 9,779.94 and 4,728.96

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Solution

The fourth proportional to 7,087.14, 9,779.94 and 4,728.96 is: 6,525.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,087.14 : 9,779.94 = 4,728.96 : x
  2. Step 2: Convert to fraction form
    7,087.14/9,779.94 = 4,728.96/x
  3. Step 3: Cross multiply
    7,087.14x = 9,779.94 × 4,728.96
  4. Step 4: Simplify right side
    7,087.14x = 46,248,945.06
  5. Step 5: Solve for x
    x = 46,248,945.06/7,087.14
  6. Step 6: Final answer
    x = 6,525.76

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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.