Home / 8,256.65-11,390.58-5,527.91

Finding the Fourth Proportional to 8,256.65, 11,390.58 and 5,527.91

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Solution

The fourth proportional to 8,256.65, 11,390.58 and 5,527.91 is: 7,626.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,256.65 : 11,390.58 = 5,527.91 : x
  2. Step 2: Convert to fraction form
    8,256.65/11,390.58 = 5,527.91/x
  3. Step 3: Cross multiply
    8,256.65x = 11,390.58 × 5,527.91
  4. Step 4: Simplify right side
    8,256.65x = 62,966,044.13
  5. Step 5: Solve for x
    x = 62,966,044.13/8,256.65
  6. Step 6: Final answer
    x = 7,626.11

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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.