Home / 9,810.49-13,538.75-5,334.55

Finding the Fourth Proportional to 9,810.49, 13,538.75 and 5,334.55

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Solution

The fourth proportional to 9,810.49, 13,538.75 and 5,334.55 is: 7,361.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,810.49 : 13,538.75 = 5,334.55 : x
  2. Step 2: Convert to fraction form
    9,810.49/13,538.75 = 5,334.55/x
  3. Step 3: Cross multiply
    9,810.49x = 13,538.75 × 5,334.55
  4. Step 4: Simplify right side
    9,810.49x = 72,223,138.81
  5. Step 5: Solve for x
    x = 72,223,138.81/9,810.49
  6. Step 6: Final answer
    x = 7,361.83

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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.