Home / 12,319.08-18,475.57-4,924.99

Finding the Fourth Proportional to 12,319.08, 18,475.57 and 4,924.99

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Solution

The fourth proportional to 12,319.08, 18,475.57 and 4,924.99 is: 7,386.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,319.08 : 18,475.57 = 4,924.99 : x
  2. Step 2: Convert to fraction form
    12,319.08/18,475.57 = 4,924.99/x
  3. Step 3: Cross multiply
    12,319.08x = 18,475.57 × 4,924.99
  4. Step 4: Simplify right side
    12,319.08x = 90,991,997.49
  5. Step 5: Solve for x
    x = 90,991,997.49/12,319.08
  6. Step 6: Final answer
    x = 7,386.27

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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.