Home / 9,796.40-13,518.66-5,320.06

Finding the Fourth Proportional to 9,796.40, 13,518.66 and 5,320.06

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Solution

The fourth proportional to 9,796.40, 13,518.66 and 5,320.06 is: 7,341.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,796.40 : 13,518.66 = 5,320.06 : x
  2. Step 2: Convert to fraction form
    9,796.40/13,518.66 = 5,320.06/x
  3. Step 3: Cross multiply
    9,796.40x = 13,518.66 × 5,320.06
  4. Step 4: Simplify right side
    9,796.40x = 71,920,082.32
  5. Step 5: Solve for x
    x = 71,920,082.32/9,796.40
  6. Step 6: Final answer
    x = 7,341.48

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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.