Home / 9,516.40-14,277-7,684.16

Finding the Fourth Proportional to 9,516.40, 14,277 and 7,684.16

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Solution

The fourth proportional to 9,516.40, 14,277 and 7,684.16 is: 11,528.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,516.40 : 14,277 = 7,684.16 : x
  2. Step 2: Convert to fraction form
    9,516.40/14,277 = 7,684.16/x
  3. Step 3: Cross multiply
    9,516.40x = 14,277 × 7,684.16
  4. Step 4: Simplify right side
    9,516.40x = 109,706,752.32
  5. Step 5: Solve for x
    x = 109,706,752.32/9,516.40
  6. Step 6: Final answer
    x = 11,528.18

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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.