Home / 8,088.76-12,117.58-4,959.64

Finding the Fourth Proportional to 8,088.76, 12,117.58 and 4,959.64

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Solution

The fourth proportional to 8,088.76, 12,117.58 and 4,959.64 is: 7,429.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,088.76 : 12,117.58 = 4,959.64 : x
  2. Step 2: Convert to fraction form
    8,088.76/12,117.58 = 4,959.64/x
  3. Step 3: Cross multiply
    8,088.76x = 12,117.58 × 4,959.64
  4. Step 4: Simplify right side
    8,088.76x = 60,098,831.04
  5. Step 5: Solve for x
    x = 60,098,831.04/8,088.76
  6. Step 6: Final answer
    x = 7,429.92

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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.