Home / 7,970.90-11,000.27-4,434.03

Finding the Fourth Proportional to 7,970.90, 11,000.27 and 4,434.03

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Solution

The fourth proportional to 7,970.90, 11,000.27 and 4,434.03 is: 6,119.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,970.90 : 11,000.27 = 4,434.03 : x
  2. Step 2: Convert to fraction form
    7,970.90/11,000.27 = 4,434.03/x
  3. Step 3: Cross multiply
    7,970.90x = 11,000.27 × 4,434.03
  4. Step 4: Simplify right side
    7,970.90x = 48,775,538.27
  5. Step 5: Solve for x
    x = 48,775,538.27/7,970.90
  6. Step 6: Final answer
    x = 6,119.20

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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.