Home / 9,653.22-13,312.89-6,513.66

Finding the Fourth Proportional to 9,653.22, 13,312.89 and 6,513.66

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Solution

The fourth proportional to 9,653.22, 13,312.89 and 6,513.66 is: 8,983.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,653.22 : 13,312.89 = 6,513.66 : x
  2. Step 2: Convert to fraction form
    9,653.22/13,312.89 = 6,513.66/x
  3. Step 3: Cross multiply
    9,653.22x = 13,312.89 × 6,513.66
  4. Step 4: Simplify right side
    9,653.22x = 86,715,639.08
  5. Step 5: Solve for x
    x = 86,715,639.08/9,653.22
  6. Step 6: Final answer
    x = 8,983.08

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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.