Home / 10,929.18-15,083.54-6,214.16

Finding the Fourth Proportional to 10,929.18, 15,083.54 and 6,214.16

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Solution

The fourth proportional to 10,929.18, 15,083.54 and 6,214.16 is: 8,576.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,929.18 : 15,083.54 = 6,214.16 : x
  2. Step 2: Convert to fraction form
    10,929.18/15,083.54 = 6,214.16/x
  3. Step 3: Cross multiply
    10,929.18x = 15,083.54 × 6,214.16
  4. Step 4: Simplify right side
    10,929.18x = 93,731,530.93
  5. Step 5: Solve for x
    x = 93,731,530.93/10,929.18
  6. Step 6: Final answer
    x = 8,576.26

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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.