Home / 9,653.99-13,322.28-5,675.21

Finding the Fourth Proportional to 9,653.99, 13,322.28 and 5,675.21

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Solution

The fourth proportional to 9,653.99, 13,322.28 and 5,675.21 is: 7,831.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,653.99 : 13,322.28 = 5,675.21 : x
  2. Step 2: Convert to fraction form
    9,653.99/13,322.28 = 5,675.21/x
  3. Step 3: Cross multiply
    9,653.99x = 13,322.28 × 5,675.21
  4. Step 4: Simplify right side
    9,653.99x = 75,606,736.68
  5. Step 5: Solve for x
    x = 75,606,736.68/9,653.99
  6. Step 6: Final answer
    x = 7,831.66

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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.