Home / 9,698.19-13,384.30-5,720.07

Finding the Fourth Proportional to 9,698.19, 13,384.30 and 5,720.07

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Solution

The fourth proportional to 9,698.19, 13,384.30 and 5,720.07 is: 7,894.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,698.19 : 13,384.30 = 5,720.07 : x
  2. Step 2: Convert to fraction form
    9,698.19/13,384.30 = 5,720.07/x
  3. Step 3: Cross multiply
    9,698.19x = 13,384.30 × 5,720.07
  4. Step 4: Simplify right side
    9,698.19x = 76,559,132.90
  5. Step 5: Solve for x
    x = 76,559,132.90/9,698.19
  6. Step 6: Final answer
    x = 7,894.17

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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.