Home / 7,162.29-9,881.58-4,330.53

Finding the Fourth Proportional to 7,162.29, 9,881.58 and 4,330.53

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Solution

The fourth proportional to 7,162.29, 9,881.58 and 4,330.53 is: 5,974.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,162.29 : 9,881.58 = 4,330.53 : x
  2. Step 2: Convert to fraction form
    7,162.29/9,881.58 = 4,330.53/x
  3. Step 3: Cross multiply
    7,162.29x = 9,881.58 × 4,330.53
  4. Step 4: Simplify right side
    7,162.29x = 42,792,478.64
  5. Step 5: Solve for x
    x = 42,792,478.64/7,162.29
  6. Step 6: Final answer
    x = 5,974.69

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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.