Home / 10,925.42-15,078.36-6,210.41

Finding the Fourth Proportional to 10,925.42, 15,078.36 and 6,210.41

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Solution

The fourth proportional to 10,925.42, 15,078.36 and 6,210.41 is: 8,571.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,925.42 : 15,078.36 = 6,210.41 : x
  2. Step 2: Convert to fraction form
    10,925.42/15,078.36 = 6,210.41/x
  3. Step 3: Cross multiply
    10,925.42x = 15,078.36 × 6,210.41
  4. Step 4: Simplify right side
    10,925.42x = 93,642,722.34
  5. Step 5: Solve for x
    x = 93,642,722.34/10,925.42
  6. Step 6: Final answer
    x = 8,571.09

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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.