Home / 10,465.02-15,699.96-3,069.45

Finding the Fourth Proportional to 10,465.02, 15,699.96 and 3,069.45

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Solution

The fourth proportional to 10,465.02, 15,699.96 and 3,069.45 is: 4,604.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,465.02 : 15,699.96 = 3,069.45 : x
  2. Step 2: Convert to fraction form
    10,465.02/15,699.96 = 3,069.45/x
  3. Step 3: Cross multiply
    10,465.02x = 15,699.96 × 3,069.45
  4. Step 4: Simplify right side
    10,465.02x = 48,190,242.22
  5. Step 5: Solve for x
    x = 48,190,242.22/10,465.02
  6. Step 6: Final answer
    x = 4,604.89

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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.