Home / 8,919.59-12,303.47-5,737.04

Finding the Fourth Proportional to 8,919.59, 12,303.47 and 5,737.04

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Solution

The fourth proportional to 8,919.59, 12,303.47 and 5,737.04 is: 7,913.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,919.59 : 12,303.47 = 5,737.04 : x
  2. Step 2: Convert to fraction form
    8,919.59/12,303.47 = 5,737.04/x
  3. Step 3: Cross multiply
    8,919.59x = 12,303.47 × 5,737.04
  4. Step 4: Simplify right side
    8,919.59x = 70,585,447.75
  5. Step 5: Solve for x
    x = 70,585,447.75/8,919.59
  6. Step 6: Final answer
    x = 7,913.53

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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.