Home / 11,988.16-16,539.60-6,951.04

Finding the Fourth Proportional to 11,988.16, 16,539.60 and 6,951.04

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Solution

The fourth proportional to 11,988.16, 16,539.60 and 6,951.04 is: 9,590.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,988.16 : 16,539.60 = 6,951.04 : x
  2. Step 2: Convert to fraction form
    11,988.16/16,539.60 = 6,951.04/x
  3. Step 3: Cross multiply
    11,988.16x = 16,539.60 × 6,951.04
  4. Step 4: Simplify right side
    11,988.16x = 114,967,421.18
  5. Step 5: Solve for x
    x = 114,967,421.18/11,988.16
  6. Step 6: Final answer
    x = 9,590.08

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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.