Home / 9,509.36-13,118.49-6,153.25

Finding the Fourth Proportional to 9,509.36, 13,118.49 and 6,153.25

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Solution

The fourth proportional to 9,509.36, 13,118.49 and 6,153.25 is: 8,488.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,509.36 : 13,118.49 = 6,153.25 : x
  2. Step 2: Convert to fraction form
    9,509.36/13,118.49 = 6,153.25/x
  3. Step 3: Cross multiply
    9,509.36x = 13,118.49 × 6,153.25
  4. Step 4: Simplify right side
    9,509.36x = 80,721,317.83
  5. Step 5: Solve for x
    x = 80,721,317.83/9,509.36
  6. Step 6: Final answer
    x = 8,488.62

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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.