Home / 7,864.89-10,852.23-4,680.08

Finding the Fourth Proportional to 7,864.89, 10,852.23 and 4,680.08

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Solution

The fourth proportional to 7,864.89, 10,852.23 and 4,680.08 is: 6,457.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,864.89 : 10,852.23 = 4,680.08 : x
  2. Step 2: Convert to fraction form
    7,864.89/10,852.23 = 4,680.08/x
  3. Step 3: Cross multiply
    7,864.89x = 10,852.23 × 4,680.08
  4. Step 4: Simplify right side
    7,864.89x = 50,789,304.58
  5. Step 5: Solve for x
    x = 50,789,304.58/7,864.89
  6. Step 6: Final answer
    x = 6,457.73

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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.