Home / 9,828.45-13,563.32-5,352.21

Finding the Fourth Proportional to 9,828.45, 13,563.32 and 5,352.21

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Solution

The fourth proportional to 9,828.45, 13,563.32 and 5,352.21 is: 7,386.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,828.45 : 13,563.32 = 5,352.21 : x
  2. Step 2: Convert to fraction form
    9,828.45/13,563.32 = 5,352.21/x
  3. Step 3: Cross multiply
    9,828.45x = 13,563.32 × 5,352.21
  4. Step 4: Simplify right side
    9,828.45x = 72,593,710.18
  5. Step 5: Solve for x
    x = 72,593,710.18/9,828.45
  6. Step 6: Final answer
    x = 7,386.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.