Home / 10,147.24-14,003.15-5,670.99

Finding the Fourth Proportional to 10,147.24, 14,003.15 and 5,670.99

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Solution

The fourth proportional to 10,147.24, 14,003.15 and 5,670.99 is: 7,825.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,147.24 : 14,003.15 = 5,670.99 : x
  2. Step 2: Convert to fraction form
    10,147.24/14,003.15 = 5,670.99/x
  3. Step 3: Cross multiply
    10,147.24x = 14,003.15 × 5,670.99
  4. Step 4: Simplify right side
    10,147.24x = 79,411,716.53
  5. Step 5: Solve for x
    x = 79,411,716.53/10,147.24
  6. Step 6: Final answer
    x = 7,825.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.