Home / 9,798.64-13,521.90-5,322.29

Finding the Fourth Proportional to 9,798.64, 13,521.90 and 5,322.29

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Solution

The fourth proportional to 9,798.64, 13,521.90 and 5,322.29 is: 7,344.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,798.64 : 13,521.90 = 5,322.29 : x
  2. Step 2: Convert to fraction form
    9,798.64/13,521.90 = 5,322.29/x
  3. Step 3: Cross multiply
    9,798.64x = 13,521.90 × 5,322.29
  4. Step 4: Simplify right side
    9,798.64x = 71,967,496.98
  5. Step 5: Solve for x
    x = 71,967,496.98/9,798.64
  6. Step 6: Final answer
    x = 7,344.64

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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.