Home / 6,699.99-9,246.48-3,715.80

Finding the Fourth Proportional to 6,699.99, 9,246.48 and 3,715.80

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Solution

The fourth proportional to 6,699.99, 9,246.48 and 3,715.80 is: 5,128.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,699.99 : 9,246.48 = 3,715.80 : x
  2. Step 2: Convert to fraction form
    6,699.99/9,246.48 = 3,715.80/x
  3. Step 3: Cross multiply
    6,699.99x = 9,246.48 × 3,715.80
  4. Step 4: Simplify right side
    6,699.99x = 34,358,070.38
  5. Step 5: Solve for x
    x = 34,358,070.38/6,699.99
  6. Step 6: Final answer
    x = 5,128.08

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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.