Home / 7,020.87-9,686.46-4,632.02

Finding the Fourth Proportional to 7,020.87, 9,686.46 and 4,632.02

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Solution

The fourth proportional to 7,020.87, 9,686.46 and 4,632.02 is: 6,390.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020.87 : 9,686.46 = 4,632.02 : x
  2. Step 2: Convert to fraction form
    7,020.87/9,686.46 = 4,632.02/x
  3. Step 3: Cross multiply
    7,020.87x = 9,686.46 × 4,632.02
  4. Step 4: Simplify right side
    7,020.87x = 44,867,828.02
  5. Step 5: Solve for x
    x = 44,867,828.02/7,020.87
  6. Step 6: Final answer
    x = 6,390.64

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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.