Home / 7,022.59-9,688.10-4,629.49

Finding the Fourth Proportional to 7,022.59, 9,688.10 and 4,629.49

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Solution

The fourth proportional to 7,022.59, 9,688.10 and 4,629.49 is: 6,386.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,022.59 : 9,688.10 = 4,629.49 : x
  2. Step 2: Convert to fraction form
    7,022.59/9,688.10 = 4,629.49/x
  3. Step 3: Cross multiply
    7,022.59x = 9,688.10 × 4,629.49
  4. Step 4: Simplify right side
    7,022.59x = 44,850,914.70
  5. Step 5: Solve for x
    x = 44,850,914.70/7,022.59
  6. Step 6: Final answer
    x = 6,386.67

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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.