Home / 9,740.40-14,596.20-8,271.60

Finding the Fourth Proportional to 9,740.40, 14,596.20 and 8,271.60

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Solution

The fourth proportional to 9,740.40, 14,596.20 and 8,271.60 is: 12,395.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,740.40 : 14,596.20 = 8,271.60 : x
  2. Step 2: Convert to fraction form
    9,740.40/14,596.20 = 8,271.60/x
  3. Step 3: Cross multiply
    9,740.40x = 14,596.20 × 8,271.60
  4. Step 4: Simplify right side
    9,740.40x = 120,733,927.92
  5. Step 5: Solve for x
    x = 120,733,927.92/9,740.40
  6. Step 6: Final answer
    x = 12,395.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.