Home / 10,617.21-14,651.28-7,079.94

Finding the Fourth Proportional to 10,617.21, 14,651.28 and 7,079.94

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Solution

The fourth proportional to 10,617.21, 14,651.28 and 7,079.94 is: 9,770.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,617.21 : 14,651.28 = 7,079.94 : x
  2. Step 2: Convert to fraction form
    10,617.21/14,651.28 = 7,079.94/x
  3. Step 3: Cross multiply
    10,617.21x = 14,651.28 × 7,079.94
  4. Step 4: Simplify right side
    10,617.21x = 103,730,183.32
  5. Step 5: Solve for x
    x = 103,730,183.32/10,617.21
  6. Step 6: Final answer
    x = 9,770.00

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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.