Home / 10,433.21-14,397.90-5,717.49

Finding the Fourth Proportional to 10,433.21, 14,397.90 and 5,717.49

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Solution

The fourth proportional to 10,433.21, 14,397.90 and 5,717.49 is: 7,890.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,433.21 : 14,397.90 = 5,717.49 : x
  2. Step 2: Convert to fraction form
    10,433.21/14,397.90 = 5,717.49/x
  3. Step 3: Cross multiply
    10,433.21x = 14,397.90 × 5,717.49
  4. Step 4: Simplify right side
    10,433.21x = 82,319,806.00
  5. Step 5: Solve for x
    x = 82,319,806.00/10,433.21
  6. Step 6: Final answer
    x = 7,890.17

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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.