Home / 11,547.27-15,935.52-6,511.65

Finding the Fourth Proportional to 11,547.27, 15,935.52 and 6,511.65

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Solution

The fourth proportional to 11,547.27, 15,935.52 and 6,511.65 is: 8,986.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,547.27 : 15,935.52 = 6,511.65 : x
  2. Step 2: Convert to fraction form
    11,547.27/15,935.52 = 6,511.65/x
  3. Step 3: Cross multiply
    11,547.27x = 15,935.52 × 6,511.65
  4. Step 4: Simplify right side
    11,547.27x = 103,766,528.81
  5. Step 5: Solve for x
    x = 103,766,528.81/11,547.27
  6. Step 6: Final answer
    x = 8,986.24

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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.