Home / 11,541.72-17,312.58-8,975.64

Finding the Fourth Proportional to 11,541.72, 17,312.58 and 8,975.64

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Solution

The fourth proportional to 11,541.72, 17,312.58 and 8,975.64 is: 13,463.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,541.72 : 17,312.58 = 8,975.64 : x
  2. Step 2: Convert to fraction form
    11,541.72/17,312.58 = 8,975.64/x
  3. Step 3: Cross multiply
    11,541.72x = 17,312.58 × 8,975.64
  4. Step 4: Simplify right side
    11,541.72x = 155,391,485.55
  5. Step 5: Solve for x
    x = 155,391,485.55/11,541.72
  6. Step 6: Final answer
    x = 13,463.46

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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.