Home / 12,527.06-18,774.27-6,980.18

Finding the Fourth Proportional to 12,527.06, 18,774.27 and 6,980.18

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Solution

The fourth proportional to 12,527.06, 18,774.27 and 6,980.18 is: 10,461.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,527.06 : 18,774.27 = 6,980.18 : x
  2. Step 2: Convert to fraction form
    12,527.06/18,774.27 = 6,980.18/x
  3. Step 3: Cross multiply
    12,527.06x = 18,774.27 × 6,980.18
  4. Step 4: Simplify right side
    12,527.06x = 131,047,783.97
  5. Step 5: Solve for x
    x = 131,047,783.97/12,527.06
  6. Step 6: Final answer
    x = 10,461.18

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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.