Home / 12,175.04-18,263.64-4,386.08

Finding the Fourth Proportional to 12,175.04, 18,263.64 and 4,386.08

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Solution

The fourth proportional to 12,175.04, 18,263.64 and 4,386.08 is: 6,579.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,175.04 : 18,263.64 = 4,386.08 : x
  2. Step 2: Convert to fraction form
    12,175.04/18,263.64 = 4,386.08/x
  3. Step 3: Cross multiply
    12,175.04x = 18,263.64 × 4,386.08
  4. Step 4: Simplify right side
    12,175.04x = 80,105,786.13
  5. Step 5: Solve for x
    x = 80,105,786.13/12,175.04
  6. Step 6: Final answer
    x = 6,579.51

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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.