Home / 9,303.32-13,920.12-5,541.36

Finding the Fourth Proportional to 9,303.32, 13,920.12 and 5,541.36

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Solution

The fourth proportional to 9,303.32, 13,920.12 and 5,541.36 is: 8,291.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,303.32 : 13,920.12 = 5,541.36 : x
  2. Step 2: Convert to fraction form
    9,303.32/13,920.12 = 5,541.36/x
  3. Step 3: Cross multiply
    9,303.32x = 13,920.12 × 5,541.36
  4. Step 4: Simplify right side
    9,303.32x = 77,136,396.16
  5. Step 5: Solve for x
    x = 77,136,396.16/9,303.32
  6. Step 6: Final answer
    x = 8,291.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.