Home / 10,009.49-15,015.26-3,434.82

Finding the Fourth Proportional to 10,009.49, 15,015.26 and 3,434.82

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Solution

The fourth proportional to 10,009.49, 15,015.26 and 3,434.82 is: 5,152.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,009.49 : 15,015.26 = 3,434.82 : x
  2. Step 2: Convert to fraction form
    10,009.49/15,015.26 = 3,434.82/x
  3. Step 3: Cross multiply
    10,009.49x = 15,015.26 × 3,434.82
  4. Step 4: Simplify right side
    10,009.49x = 51,574,711.06
  5. Step 5: Solve for x
    x = 51,574,711.06/10,009.49
  6. Step 6: Final answer
    x = 5,152.58

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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.