Home / 13,303.19-18,359.07-7,334.84

Finding the Fourth Proportional to 13,303.19, 18,359.07 and 7,334.84

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Solution

The fourth proportional to 13,303.19, 18,359.07 and 7,334.84 is: 10,122.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,303.19 : 18,359.07 = 7,334.84 : x
  2. Step 2: Convert to fraction form
    13,303.19/18,359.07 = 7,334.84/x
  3. Step 3: Cross multiply
    13,303.19x = 18,359.07 × 7,334.84
  4. Step 4: Simplify right side
    13,303.19x = 134,660,749.20
  5. Step 5: Solve for x
    x = 134,660,749.20/13,303.19
  6. Step 6: Final answer
    x = 10,122.44

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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.