Home / 7,107.98-10,646.48-5,861.38

Finding the Fourth Proportional to 7,107.98, 10,646.48 and 5,861.38

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Solution

The fourth proportional to 7,107.98, 10,646.48 and 5,861.38 is: 8,779.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,107.98 : 10,646.48 = 5,861.38 : x
  2. Step 2: Convert to fraction form
    7,107.98/10,646.48 = 5,861.38/x
  3. Step 3: Cross multiply
    7,107.98x = 10,646.48 × 5,861.38
  4. Step 4: Simplify right side
    7,107.98x = 62,403,064.94
  5. Step 5: Solve for x
    x = 62,403,064.94/7,107.98
  6. Step 6: Final answer
    x = 8,779.30

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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.