Home / 9,009.84-13,495.56-5,112.24

Finding the Fourth Proportional to 9,009.84, 13,495.56 and 5,112.24

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Solution

The fourth proportional to 9,009.84, 13,495.56 and 5,112.24 is: 7,657.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,009.84 : 13,495.56 = 5,112.24 : x
  2. Step 2: Convert to fraction form
    9,009.84/13,495.56 = 5,112.24/x
  3. Step 3: Cross multiply
    9,009.84x = 13,495.56 × 5,112.24
  4. Step 4: Simplify right side
    9,009.84x = 68,992,541.65
  5. Step 5: Solve for x
    x = 68,992,541.65/9,009.84
  6. Step 6: Final answer
    x = 7,657.47

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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.