Home / 8,913.87-12,300.23-4,933.94

Finding the Fourth Proportional to 8,913.87, 12,300.23 and 4,933.94

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Solution

The fourth proportional to 8,913.87, 12,300.23 and 4,933.94 is: 6,808.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,913.87 : 12,300.23 = 4,933.94 : x
  2. Step 2: Convert to fraction form
    8,913.87/12,300.23 = 4,933.94/x
  3. Step 3: Cross multiply
    8,913.87x = 12,300.23 × 4,933.94
  4. Step 4: Simplify right side
    8,913.87x = 60,688,547.64
  5. Step 5: Solve for x
    x = 60,688,547.64/8,913.87
  6. Step 6: Final answer
    x = 6,808.33

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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.