Home / 10,229.03-14,117.51-8,547.78

Finding the Fourth Proportional to 10,229.03, 14,117.51 and 8,547.78

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Solution

The fourth proportional to 10,229.03, 14,117.51 and 8,547.78 is: 11,797.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,229.03 : 14,117.51 = 8,547.78 : x
  2. Step 2: Convert to fraction form
    10,229.03/14,117.51 = 8,547.78/x
  3. Step 3: Cross multiply
    10,229.03x = 14,117.51 × 8,547.78
  4. Step 4: Simplify right side
    10,229.03x = 120,673,369.63
  5. Step 5: Solve for x
    x = 120,673,369.63/10,229.03
  6. Step 6: Final answer
    x = 11,797.15

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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.