Home / 9,012.99-12,438.63-5,035.08

Finding the Fourth Proportional to 9,012.99, 12,438.63 and 5,035.08

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Solution

The fourth proportional to 9,012.99, 12,438.63 and 5,035.08 is: 6,948.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,012.99 : 12,438.63 = 5,035.08 : x
  2. Step 2: Convert to fraction form
    9,012.99/12,438.63 = 5,035.08/x
  3. Step 3: Cross multiply
    9,012.99x = 12,438.63 × 5,035.08
  4. Step 4: Simplify right side
    9,012.99x = 62,629,497.14
  5. Step 5: Solve for x
    x = 62,629,497.14/9,012.99
  6. Step 6: Final answer
    x = 6,948.80

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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.