Home / 8,281.47-11,425.06-4,695.68

Finding the Fourth Proportional to 8,281.47, 11,425.06 and 4,695.68

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Solution

The fourth proportional to 8,281.47, 11,425.06 and 4,695.68 is: 6,478.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,281.47 : 11,425.06 = 4,695.68 : x
  2. Step 2: Convert to fraction form
    8,281.47/11,425.06 = 4,695.68/x
  3. Step 3: Cross multiply
    8,281.47x = 11,425.06 × 4,695.68
  4. Step 4: Simplify right side
    8,281.47x = 53,648,425.74
  5. Step 5: Solve for x
    x = 53,648,425.74/8,281.47
  6. Step 6: Final answer
    x = 6,478.13

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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.