Home / 7,569.12-11,345.28-5,714.22

Finding the Fourth Proportional to 7,569.12, 11,345.28 and 5,714.22

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Solution

The fourth proportional to 7,569.12, 11,345.28 and 5,714.22 is: 8,564.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,569.12 : 11,345.28 = 5,714.22 : x
  2. Step 2: Convert to fraction form
    7,569.12/11,345.28 = 5,714.22/x
  3. Step 3: Cross multiply
    7,569.12x = 11,345.28 × 5,714.22
  4. Step 4: Simplify right side
    7,569.12x = 64,829,425.88
  5. Step 5: Solve for x
    x = 64,829,425.88/7,569.12
  6. Step 6: Final answer
    x = 8,564.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.