Home / 10,925.66-15,078.70-6,210.66

Finding the Fourth Proportional to 10,925.66, 15,078.70 and 6,210.66

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Solution

The fourth proportional to 10,925.66, 15,078.70 and 6,210.66 is: 8,571.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,925.66 : 15,078.70 = 6,210.66 : x
  2. Step 2: Convert to fraction form
    10,925.66/15,078.70 = 6,210.66/x
  3. Step 3: Cross multiply
    10,925.66x = 15,078.70 × 6,210.66
  4. Step 4: Simplify right side
    10,925.66x = 93,648,678.94
  5. Step 5: Solve for x
    x = 93,648,678.94/10,925.66
  6. Step 6: Final answer
    x = 8,571.44

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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.