Home / 9,643.32-13,305.35-5,663.66

Finding the Fourth Proportional to 9,643.32, 13,305.35 and 5,663.66

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Solution

The fourth proportional to 9,643.32, 13,305.35 and 5,663.66 is: 7,814.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,643.32 : 13,305.35 = 5,663.66 : x
  2. Step 2: Convert to fraction form
    9,643.32/13,305.35 = 5,663.66/x
  3. Step 3: Cross multiply
    9,643.32x = 13,305.35 × 5,663.66
  4. Step 4: Simplify right side
    9,643.32x = 75,356,883.74
  5. Step 5: Solve for x
    x = 75,356,883.74/9,643.32
  6. Step 6: Final answer
    x = 7,814.41

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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.