Home / 7,488.02-11,232.84-3,109.16

Finding the Fourth Proportional to 7,488.02, 11,232.84 and 3,109.16

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Solution

The fourth proportional to 7,488.02, 11,232.84 and 3,109.16 is: 4,664.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,488.02 : 11,232.84 = 3,109.16 : x
  2. Step 2: Convert to fraction form
    7,488.02/11,232.84 = 3,109.16/x
  3. Step 3: Cross multiply
    7,488.02x = 11,232.84 × 3,109.16
  4. Step 4: Simplify right side
    7,488.02x = 34,924,696.81
  5. Step 5: Solve for x
    x = 34,924,696.81/7,488.02
  6. Step 6: Final answer
    x = 4,664.08

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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.