Home / 9,815.45-14,720.58-4,267.53

Finding the Fourth Proportional to 9,815.45, 14,720.58 and 4,267.53

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Solution

The fourth proportional to 9,815.45, 14,720.58 and 4,267.53 is: 6,400.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,815.45 : 14,720.58 = 4,267.53 : x
  2. Step 2: Convert to fraction form
    9,815.45/14,720.58 = 4,267.53/x
  3. Step 3: Cross multiply
    9,815.45x = 14,720.58 × 4,267.53
  4. Step 4: Simplify right side
    9,815.45x = 62,820,516.77
  5. Step 5: Solve for x
    x = 62,820,516.77/9,815.45
  6. Step 6: Final answer
    x = 6,400.17

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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.