Home / 7,970.12-10,998.47-4,433.55

Finding the Fourth Proportional to 7,970.12, 10,998.47 and 4,433.55

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Solution

The fourth proportional to 7,970.12, 10,998.47 and 4,433.55 is: 6,118.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,970.12 : 10,998.47 = 4,433.55 : x
  2. Step 2: Convert to fraction form
    7,970.12/10,998.47 = 4,433.55/x
  3. Step 3: Cross multiply
    7,970.12x = 10,998.47 × 4,433.55
  4. Step 4: Simplify right side
    7,970.12x = 48,762,244.50
  5. Step 5: Solve for x
    x = 48,762,244.50/7,970.12
  6. Step 6: Final answer
    x = 6,118.14

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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.