Home / 13,116.92-19,675.38-4,907

Finding the Fourth Proportional to 13,116.92, 19,675.38 and 4,907

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Solution

The fourth proportional to 13,116.92, 19,675.38 and 4,907 is: 7,360.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,116.92 : 19,675.38 = 4,907 : x
  2. Step 2: Convert to fraction form
    13,116.92/19,675.38 = 4,907/x
  3. Step 3: Cross multiply
    13,116.92x = 19,675.38 × 4,907
  4. Step 4: Simplify right side
    13,116.92x = 96,547,089.66
  5. Step 5: Solve for x
    x = 96,547,089.66/13,116.92
  6. Step 6: Final answer
    x = 7,360.50

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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.