Home / 12,547.26-17,317.50-8,566.92

Finding the Fourth Proportional to 12,547.26, 17,317.50 and 8,566.92

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Solution

The fourth proportional to 12,547.26, 17,317.50 and 8,566.92 is: 11,823.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,547.26 : 17,317.50 = 8,566.92 : x
  2. Step 2: Convert to fraction form
    12,547.26/17,317.50 = 8,566.92/x
  3. Step 3: Cross multiply
    12,547.26x = 17,317.50 × 8,566.92
  4. Step 4: Simplify right side
    12,547.26x = 148,357,637.10
  5. Step 5: Solve for x
    x = 148,357,637.10/12,547.26
  6. Step 6: Final answer
    x = 11,823.91

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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.