Home / 9,721.80-13,416.34-5,473.02

Finding the Fourth Proportional to 9,721.80, 13,416.34 and 5,473.02

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Solution

The fourth proportional to 9,721.80, 13,416.34 and 5,473.02 is: 7,552.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,721.80 : 13,416.34 = 5,473.02 : x
  2. Step 2: Convert to fraction form
    9,721.80/13,416.34 = 5,473.02/x
  3. Step 3: Cross multiply
    9,721.80x = 13,416.34 × 5,473.02
  4. Step 4: Simplify right side
    9,721.80x = 73,427,883.46
  5. Step 5: Solve for x
    x = 73,427,883.46/9,721.80
  6. Step 6: Final answer
    x = 7,552.91

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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.