Home / 9,455.40-13,048.20-5,263.56

Finding the Fourth Proportional to 9,455.40, 13,048.20 and 5,263.56

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Solution

The fourth proportional to 9,455.40, 13,048.20 and 5,263.56 is: 7,263.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,455.40 : 13,048.20 = 5,263.56 : x
  2. Step 2: Convert to fraction form
    9,455.40/13,048.20 = 5,263.56/x
  3. Step 3: Cross multiply
    9,455.40x = 13,048.20 × 5,263.56
  4. Step 4: Simplify right side
    9,455.40x = 68,679,983.59
  5. Step 5: Solve for x
    x = 68,679,983.59/9,455.40
  6. Step 6: Final answer
    x = 7,263.57

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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.