Home / 10,929.63-15,083.10-6,214.08

Finding the Fourth Proportional to 10,929.63, 15,083.10 and 6,214.08

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Solution

The fourth proportional to 10,929.63, 15,083.10 and 6,214.08 is: 8,575.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,929.63 : 15,083.10 = 6,214.08 : x
  2. Step 2: Convert to fraction form
    10,929.63/15,083.10 = 6,214.08/x
  3. Step 3: Cross multiply
    10,929.63x = 15,083.10 × 6,214.08
  4. Step 4: Simplify right side
    10,929.63x = 93,727,590.05
  5. Step 5: Solve for x
    x = 93,727,590.05/10,929.63
  6. Step 6: Final answer
    x = 8,575.55

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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.