Home / 9,396.84-12,952.80-7,151.52

Finding the Fourth Proportional to 9,396.84, 12,952.80 and 7,151.52

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Solution

The fourth proportional to 9,396.84, 12,952.80 and 7,151.52 is: 9,857.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,396.84 : 12,952.80 = 7,151.52 : x
  2. Step 2: Convert to fraction form
    9,396.84/12,952.80 = 7,151.52/x
  3. Step 3: Cross multiply
    9,396.84x = 12,952.80 × 7,151.52
  4. Step 4: Simplify right side
    9,396.84x = 92,632,208.26
  5. Step 5: Solve for x
    x = 92,632,208.26/9,396.84
  6. Step 6: Final answer
    x = 9,857.80

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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.