Home / 35,395.21-53,084.31-10,428.51

Finding the Fourth Proportional to 35,395.21, 53,084.31 and 10,428.51

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Solution

The fourth proportional to 35,395.21, 53,084.31 and 10,428.51 is: 15,640.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,395.21 : 53,084.31 = 10,428.51 : x
  2. Step 2: Convert to fraction form
    35,395.21/53,084.31 = 10,428.51/x
  3. Step 3: Cross multiply
    35,395.21x = 53,084.31 × 10,428.51
  4. Step 4: Simplify right side
    35,395.21x = 553,590,257.68
  5. Step 5: Solve for x
    x = 553,590,257.68/35,395.21
  6. Step 6: Final answer
    x = 15,640.26

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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.