Home / 12,937.19-19,410.57-5,547.42

Finding the Fourth Proportional to 12,937.19, 19,410.57 and 5,547.42

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Solution

The fourth proportional to 12,937.19, 19,410.57 and 5,547.42 is: 8,323.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,937.19 : 19,410.57 = 5,547.42 : x
  2. Step 2: Convert to fraction form
    12,937.19/19,410.57 = 5,547.42/x
  3. Step 3: Cross multiply
    12,937.19x = 19,410.57 × 5,547.42
  4. Step 4: Simplify right side
    12,937.19x = 107,678,584.23
  5. Step 5: Solve for x
    x = 107,678,584.23/12,937.19
  6. Step 6: Final answer
    x = 8,323.19

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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.