Home / 8,931.45-13,397.85-2,357.46

Finding the Fourth Proportional to 8,931.45, 13,397.85 and 2,357.46

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Solution

The fourth proportional to 8,931.45, 13,397.85 and 2,357.46 is: 3,536.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,931.45 : 13,397.85 = 2,357.46 : x
  2. Step 2: Convert to fraction form
    8,931.45/13,397.85 = 2,357.46/x
  3. Step 3: Cross multiply
    8,931.45x = 13,397.85 × 2,357.46
  4. Step 4: Simplify right side
    8,931.45x = 31,584,895.46
  5. Step 5: Solve for x
    x = 31,584,895.46/8,931.45
  6. Step 6: Final answer
    x = 3,536.37

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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.