Home / 9,810.75-13,539.01-5,334.53

Finding the Fourth Proportional to 9,810.75, 13,539.01 and 5,334.53

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Solution

The fourth proportional to 9,810.75, 13,539.01 and 5,334.53 is: 7,361.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,810.75 : 13,539.01 = 5,334.53 : x
  2. Step 2: Convert to fraction form
    9,810.75/13,539.01 = 5,334.53/x
  3. Step 3: Cross multiply
    9,810.75x = 13,539.01 × 5,334.53
  4. Step 4: Simplify right side
    9,810.75x = 72,224,310.91
  5. Step 5: Solve for x
    x = 72,224,310.91/9,810.75
  6. Step 6: Final answer
    x = 7,361.75

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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.