Home / 9,810.62-13,538.49-5,334.48

Finding the Fourth Proportional to 9,810.62, 13,538.49 and 5,334.48

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Solution

The fourth proportional to 9,810.62, 13,538.49 and 5,334.48 is: 7,361.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,810.62 : 13,538.49 = 5,334.48 : x
  2. Step 2: Convert to fraction form
    9,810.62/13,538.49 = 5,334.48/x
  3. Step 3: Cross multiply
    9,810.62x = 13,538.49 × 5,334.48
  4. Step 4: Simplify right side
    9,810.62x = 72,220,709.77
  5. Step 5: Solve for x
    x = 72,220,709.77/9,810.62
  6. Step 6: Final answer
    x = 7,361.49

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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.