Home / 7,283.12-10,929.53-3,998.51

Finding the Fourth Proportional to 7,283.12, 10,929.53 and 3,998.51

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Solution

The fourth proportional to 7,283.12, 10,929.53 and 3,998.51 is: 6,000.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,283.12 : 10,929.53 = 3,998.51 : x
  2. Step 2: Convert to fraction form
    7,283.12/10,929.53 = 3,998.51/x
  3. Step 3: Cross multiply
    7,283.12x = 10,929.53 × 3,998.51
  4. Step 4: Simplify right side
    7,283.12x = 43,701,892.81
  5. Step 5: Solve for x
    x = 43,701,892.81/7,283.12
  6. Step 6: Final answer
    x = 6,000.44

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1.5x scale

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.