Home / 11,547.45-15,927.06-8,828.13

Finding the Fourth Proportional to 11,547.45, 15,927.06 and 8,828.13

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Solution

The fourth proportional to 11,547.45, 15,927.06 and 8,828.13 is: 12,176.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,547.45 : 15,927.06 = 8,828.13 : x
  2. Step 2: Convert to fraction form
    11,547.45/15,927.06 = 8,828.13/x
  3. Step 3: Cross multiply
    11,547.45x = 15,927.06 × 8,828.13
  4. Step 4: Simplify right side
    11,547.45x = 140,606,076.56
  5. Step 5: Solve for x
    x = 140,606,076.56/11,547.45
  6. Step 6: Final answer
    x = 12,176.38

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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.