Home / 9,890.76-14,834.58-4,629.42

Finding the Fourth Proportional to 9,890.76, 14,834.58 and 4,629.42

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Solution

The fourth proportional to 9,890.76, 14,834.58 and 4,629.42 is: 6,943.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,890.76 : 14,834.58 = 4,629.42 : x
  2. Step 2: Convert to fraction form
    9,890.76/14,834.58 = 4,629.42/x
  3. Step 3: Cross multiply
    9,890.76x = 14,834.58 × 4,629.42
  4. Step 4: Simplify right side
    9,890.76x = 68,675,501.34
  5. Step 5: Solve for x
    x = 68,675,501.34/9,890.76
  6. Step 6: Final answer
    x = 6,943.40

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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.