Home / 8,964.03-12,370.29-4,985.13

Finding the Fourth Proportional to 8,964.03, 12,370.29 and 4,985.13

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Solution

The fourth proportional to 8,964.03, 12,370.29 and 4,985.13 is: 6,879.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,964.03 : 12,370.29 = 4,985.13 : x
  2. Step 2: Convert to fraction form
    8,964.03/12,370.29 = 4,985.13/x
  3. Step 3: Cross multiply
    8,964.03x = 12,370.29 × 4,985.13
  4. Step 4: Simplify right side
    8,964.03x = 61,667,503.79
  5. Step 5: Solve for x
    x = 61,667,503.79/8,964.03
  6. Step 6: Final answer
    x = 6,879.44

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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.