Home / 7,704.14-11,547.09-3,312.32

Finding the Fourth Proportional to 7,704.14, 11,547.09 and 3,312.32

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Solution

The fourth proportional to 7,704.14, 11,547.09 and 3,312.32 is: 4,964.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,704.14 : 11,547.09 = 3,312.32 : x
  2. Step 2: Convert to fraction form
    7,704.14/11,547.09 = 3,312.32/x
  3. Step 3: Cross multiply
    7,704.14x = 11,547.09 × 3,312.32
  4. Step 4: Simplify right side
    7,704.14x = 38,247,599.41
  5. Step 5: Solve for x
    x = 38,247,599.41/7,704.14
  6. Step 6: Final answer
    x = 4,964.55

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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.