Home / 8,534.64-12,802.92-3,603.36

Finding the Fourth Proportional to 8,534.64, 12,802.92 and 3,603.36

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Solution

The fourth proportional to 8,534.64, 12,802.92 and 3,603.36 is: 5,405.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,534.64 : 12,802.92 = 3,603.36 : x
  2. Step 2: Convert to fraction form
    8,534.64/12,802.92 = 3,603.36/x
  3. Step 3: Cross multiply
    8,534.64x = 12,802.92 × 3,603.36
  4. Step 4: Simplify right side
    8,534.64x = 46,133,529.81
  5. Step 5: Solve for x
    x = 46,133,529.81/8,534.64
  6. Step 6: Final answer
    x = 5,405.45

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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.