Home / 30,363.09-45,547.35-8,175.97

Finding the Fourth Proportional to 30,363.09, 45,547.35 and 8,175.97

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Solution

The fourth proportional to 30,363.09, 45,547.35 and 8,175.97 is: 12,264.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,363.09 : 45,547.35 = 8,175.97 : x
  2. Step 2: Convert to fraction form
    30,363.09/45,547.35 = 8,175.97/x
  3. Step 3: Cross multiply
    30,363.09x = 45,547.35 × 8,175.97
  4. Step 4: Simplify right side
    30,363.09x = 372,393,767.18
  5. Step 5: Solve for x
    x = 372,393,767.18/30,363.09
  6. Step 6: Final answer
    x = 12,264.69

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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.