Home / 11,980.16-16,528.72-6,673.96

Finding the Fourth Proportional to 11,980.16, 16,528.72 and 6,673.96

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Solution

The fourth proportional to 11,980.16, 16,528.72 and 6,673.96 is: 9,207.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,980.16 : 16,528.72 = 6,673.96 : x
  2. Step 2: Convert to fraction form
    11,980.16/16,528.72 = 6,673.96/x
  3. Step 3: Cross multiply
    11,980.16x = 16,528.72 × 6,673.96
  4. Step 4: Simplify right side
    11,980.16x = 110,312,016.13
  5. Step 5: Solve for x
    x = 110,312,016.13/11,980.16
  6. Step 6: Final answer
    x = 9,207.89

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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.