Home / 8,740.07-12,061.44-4,761.18

Finding the Fourth Proportional to 8,740.07, 12,061.44 and 4,761.18

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Solution

The fourth proportional to 8,740.07, 12,061.44 and 4,761.18 is: 6,570.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,740.07 : 12,061.44 = 4,761.18 : x
  2. Step 2: Convert to fraction form
    8,740.07/12,061.44 = 4,761.18/x
  3. Step 3: Cross multiply
    8,740.07x = 12,061.44 × 4,761.18
  4. Step 4: Simplify right side
    8,740.07x = 57,426,686.90
  5. Step 5: Solve for x
    x = 57,426,686.90/8,740.07
  6. Step 6: Final answer
    x = 6,570.50

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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.