Home / 11,631.60-16,051.67-6,915.92

Finding the Fourth Proportional to 11,631.60, 16,051.67 and 6,915.92

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Solution

The fourth proportional to 11,631.60, 16,051.67 and 6,915.92 is: 9,544.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,631.60 : 16,051.67 = 6,915.92 : x
  2. Step 2: Convert to fraction form
    11,631.60/16,051.67 = 6,915.92/x
  3. Step 3: Cross multiply
    11,631.60x = 16,051.67 × 6,915.92
  4. Step 4: Simplify right side
    11,631.60x = 111,011,950.75
  5. Step 5: Solve for x
    x = 111,011,950.75/11,631.60
  6. Step 6: Final answer
    x = 9,544.00

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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.