Home / 11,386.31-17,088.57-4,817.07

Finding the Fourth Proportional to 11,386.31, 17,088.57 and 4,817.07

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Solution

The fourth proportional to 11,386.31, 17,088.57 and 4,817.07 is: 7,229.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,386.31 : 17,088.57 = 4,817.07 : x
  2. Step 2: Convert to fraction form
    11,386.31/17,088.57 = 4,817.07/x
  3. Step 3: Cross multiply
    11,386.31x = 17,088.57 × 4,817.07
  4. Step 4: Simplify right side
    11,386.31x = 82,316,837.89
  5. Step 5: Solve for x
    x = 82,316,837.89/11,386.31
  6. Step 6: Final answer
    x = 7,229.46

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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.