Home / 13,263.29-18,303.56-7,294.91

Finding the Fourth Proportional to 13,263.29, 18,303.56 and 7,294.91

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Solution

The fourth proportional to 13,263.29, 18,303.56 and 7,294.91 is: 10,067.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,263.29 : 18,303.56 = 7,294.91 : x
  2. Step 2: Convert to fraction form
    13,263.29/18,303.56 = 7,294.91/x
  3. Step 3: Cross multiply
    13,263.29x = 18,303.56 × 7,294.91
  4. Step 4: Simplify right side
    13,263.29x = 133,522,722.24
  5. Step 5: Solve for x
    x = 133,522,722.24/13,263.29
  6. Step 6: Final answer
    x = 10,067.09

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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.