Home / 9,703.29-13,382.70-6,515.62

Finding the Fourth Proportional to 9,703.29, 13,382.70 and 6,515.62

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Solution

The fourth proportional to 9,703.29, 13,382.70 and 6,515.62 is: 8,986.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,703.29 : 13,382.70 = 6,515.62 : x
  2. Step 2: Convert to fraction form
    9,703.29/13,382.70 = 6,515.62/x
  3. Step 3: Cross multiply
    9,703.29x = 13,382.70 × 6,515.62
  4. Step 4: Simplify right side
    9,703.29x = 87,196,587.77
  5. Step 5: Solve for x
    x = 87,196,587.77/9,703.29
  6. Step 6: Final answer
    x = 8,986.30

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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.