Home / 12,188.01-18,284.57-6,925.45

Finding the Fourth Proportional to 12,188.01, 18,284.57 and 6,925.45

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Solution

The fourth proportional to 12,188.01, 18,284.57 and 6,925.45 is: 10,389.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,188.01 : 18,284.57 = 6,925.45 : x
  2. Step 2: Convert to fraction form
    12,188.01/18,284.57 = 6,925.45/x
  3. Step 3: Cross multiply
    12,188.01x = 18,284.57 × 6,925.45
  4. Step 4: Simplify right side
    12,188.01x = 126,628,875.31
  5. Step 5: Solve for x
    x = 126,628,875.31/12,188.01
  6. Step 6: Final answer
    x = 10,389.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.