Home / 10,476.45-15,696.23-5,535.21

Finding the Fourth Proportional to 10,476.45, 15,696.23 and 5,535.21

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Solution

The fourth proportional to 10,476.45, 15,696.23 and 5,535.21 is: 8,293.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,476.45 : 15,696.23 = 5,535.21 : x
  2. Step 2: Convert to fraction form
    10,476.45/15,696.23 = 5,535.21/x
  3. Step 3: Cross multiply
    10,476.45x = 15,696.23 × 5,535.21
  4. Step 4: Simplify right side
    10,476.45x = 86,881,901.58
  5. Step 5: Solve for x
    x = 86,881,901.58/10,476.45
  6. Step 6: Final answer
    x = 8,293.07

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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.