Home / 9,792.32-13,515.50-7,663.64

Finding the Fourth Proportional to 9,792.32, 13,515.50 and 7,663.64

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Solution

The fourth proportional to 9,792.32, 13,515.50 and 7,663.64 is: 10,577.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,792.32 : 13,515.50 = 7,663.64 : x
  2. Step 2: Convert to fraction form
    9,792.32/13,515.50 = 7,663.64/x
  3. Step 3: Cross multiply
    9,792.32x = 13,515.50 × 7,663.64
  4. Step 4: Simplify right side
    9,792.32x = 103,577,926.42
  5. Step 5: Solve for x
    x = 103,577,926.42/9,792.32
  6. Step 6: Final answer
    x = 10,577.47

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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.