Home / 8,740.08-12,061.22-4,761.23

Finding the Fourth Proportional to 8,740.08, 12,061.22 and 4,761.23

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Solution

The fourth proportional to 8,740.08, 12,061.22 and 4,761.23 is: 6,570.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,740.08 : 12,061.22 = 4,761.23 : x
  2. Step 2: Convert to fraction form
    8,740.08/12,061.22 = 4,761.23/x
  3. Step 3: Cross multiply
    8,740.08x = 12,061.22 × 4,761.23
  4. Step 4: Simplify right side
    8,740.08x = 57,426,158.39
  5. Step 5: Solve for x
    x = 57,426,158.39/8,740.08
  6. Step 6: Final answer
    x = 6,570.44

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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.