Home / 9,504.72-13,115.16-5,312.88

Finding the Fourth Proportional to 9,504.72, 13,115.16 and 5,312.88

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Solution

The fourth proportional to 9,504.72, 13,115.16 and 5,312.88 is: 7,331.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,504.72 : 13,115.16 = 5,312.88 : x
  2. Step 2: Convert to fraction form
    9,504.72/13,115.16 = 5,312.88/x
  3. Step 3: Cross multiply
    9,504.72x = 13,115.16 × 5,312.88
  4. Step 4: Simplify right side
    9,504.72x = 69,679,271.26
  5. Step 5: Solve for x
    x = 69,679,271.26/9,504.72
  6. Step 6: Final answer
    x = 7,331.02

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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.