Home / 7,717.50-10,650.15-4,574.34

Finding the Fourth Proportional to 7,717.50, 10,650.15 and 4,574.34

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Solution

The fourth proportional to 7,717.50, 10,650.15 and 4,574.34 is: 6,312.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,717.50 : 10,650.15 = 4,574.34 : x
  2. Step 2: Convert to fraction form
    7,717.50/10,650.15 = 4,574.34/x
  3. Step 3: Cross multiply
    7,717.50x = 10,650.15 × 4,574.34
  4. Step 4: Simplify right side
    7,717.50x = 48,717,407.15
  5. Step 5: Solve for x
    x = 48,717,407.15/7,717.50
  6. Step 6: Final answer
    x = 6,312.59

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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.