Home / 12,303.86-18,444.75-4,507.22

Finding the Fourth Proportional to 12,303.86, 18,444.75 and 4,507.22

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Solution

The fourth proportional to 12,303.86, 18,444.75 and 4,507.22 is: 6,756.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,303.86 : 18,444.75 = 4,507.22 : x
  2. Step 2: Convert to fraction form
    12,303.86/18,444.75 = 4,507.22/x
  3. Step 3: Cross multiply
    12,303.86x = 18,444.75 × 4,507.22
  4. Step 4: Simplify right side
    12,303.86x = 83,134,546.10
  5. Step 5: Solve for x
    x = 83,134,546.10/12,303.86
  6. Step 6: Final answer
    x = 6,756.79

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1.5x scale

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.