Home / 9,701.80-13,389.21-5,453.23

Finding the Fourth Proportional to 9,701.80, 13,389.21 and 5,453.23

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Solution

The fourth proportional to 9,701.80, 13,389.21 and 5,453.23 is: 7,525.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,701.80 : 13,389.21 = 5,453.23 : x
  2. Step 2: Convert to fraction form
    9,701.80/13,389.21 = 5,453.23/x
  3. Step 3: Cross multiply
    9,701.80x = 13,389.21 × 5,453.23
  4. Step 4: Simplify right side
    9,701.80x = 73,014,441.65
  5. Step 5: Solve for x
    x = 73,014,441.65/9,701.80
  6. Step 6: Final answer
    x = 7,525.87

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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.