Home / 9,072.65-13,602.54-3,521.32

Finding the Fourth Proportional to 9,072.65, 13,602.54 and 3,521.32

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Solution

The fourth proportional to 9,072.65, 13,602.54 and 3,521.32 is: 5,279.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,072.65 : 13,602.54 = 3,521.32 : x
  2. Step 2: Convert to fraction form
    9,072.65/13,602.54 = 3,521.32/x
  3. Step 3: Cross multiply
    9,072.65x = 13,602.54 × 3,521.32
  4. Step 4: Simplify right side
    9,072.65x = 47,898,896.15
  5. Step 5: Solve for x
    x = 47,898,896.15/9,072.65
  6. Step 6: Final answer
    x = 5,279.48

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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.