Home / 8,631.49-12,946.15-3,441.01

Finding the Fourth Proportional to 8,631.49, 12,946.15 and 3,441.01

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Solution

The fourth proportional to 8,631.49, 12,946.15 and 3,441.01 is: 5,161.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,631.49 : 12,946.15 = 3,441.01 : x
  2. Step 2: Convert to fraction form
    8,631.49/12,946.15 = 3,441.01/x
  3. Step 3: Cross multiply
    8,631.49x = 12,946.15 × 3,441.01
  4. Step 4: Simplify right side
    8,631.49x = 44,547,831.61
  5. Step 5: Solve for x
    x = 44,547,831.61/8,631.49
  6. Step 6: Final answer
    x = 5,161.08

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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.