Home / 10,925.48-15,076.68-6,210.20

Finding the Fourth Proportional to 10,925.48, 15,076.68 and 6,210.20

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Solution

The fourth proportional to 10,925.48, 15,076.68 and 6,210.20 is: 8,569.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,925.48 : 15,076.68 = 6,210.20 : x
  2. Step 2: Convert to fraction form
    10,925.48/15,076.68 = 6,210.20/x
  3. Step 3: Cross multiply
    10,925.48x = 15,076.68 × 6,210.20
  4. Step 4: Simplify right side
    10,925.48x = 93,629,198.14
  5. Step 5: Solve for x
    x = 93,629,198.14/10,925.48
  6. Step 6: Final answer
    x = 8,569.80

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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.