Home / 12,260.04-16,919.24-7,547.04

Finding the Fourth Proportional to 12,260.04, 16,919.24 and 7,547.04

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Solution

The fourth proportional to 12,260.04, 16,919.24 and 7,547.04 is: 10,415.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,260.04 : 16,919.24 = 7,547.04 : x
  2. Step 2: Convert to fraction form
    12,260.04/16,919.24 = 7,547.04/x
  3. Step 3: Cross multiply
    12,260.04x = 16,919.24 × 7,547.04
  4. Step 4: Simplify right side
    12,260.04x = 127,690,181.05
  5. Step 5: Solve for x
    x = 127,690,181.05/12,260.04
  6. Step 6: Final answer
    x = 10,415.15

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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.