Home / 7,622.65-10,521.30-4,480.93

Finding the Fourth Proportional to 7,622.65, 10,521.30 and 4,480.93

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Solution

The fourth proportional to 7,622.65, 10,521.30 and 4,480.93 is: 6,184.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,622.65 : 10,521.30 = 4,480.93 : x
  2. Step 2: Convert to fraction form
    7,622.65/10,521.30 = 4,480.93/x
  3. Step 3: Cross multiply
    7,622.65x = 10,521.30 × 4,480.93
  4. Step 4: Simplify right side
    7,622.65x = 47,145,208.81
  5. Step 5: Solve for x
    x = 47,145,208.81/7,622.65
  6. Step 6: Final answer
    x = 6,184.88

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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.