Home / 7,569.81-10,446.66-4,212.50

Finding the Fourth Proportional to 7,569.81, 10,446.66 and 4,212.50

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Solution

The fourth proportional to 7,569.81, 10,446.66 and 4,212.50 is: 5,813.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,569.81 : 10,446.66 = 4,212.50 : x
  2. Step 2: Convert to fraction form
    7,569.81/10,446.66 = 4,212.50/x
  3. Step 3: Cross multiply
    7,569.81x = 10,446.66 × 4,212.50
  4. Step 4: Simplify right side
    7,569.81x = 44,006,503.02
  5. Step 5: Solve for x
    x = 44,006,503.02/7,569.81
  6. Step 6: Final answer
    x = 5,813.42

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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.