Home / 9,972.96-13,763.08-5,723.95

Finding the Fourth Proportional to 9,972.96, 13,763.08 and 5,723.95

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Solution

The fourth proportional to 9,972.96, 13,763.08 and 5,723.95 is: 7,899.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,972.96 : 13,763.08 = 5,723.95 : x
  2. Step 2: Convert to fraction form
    9,972.96/13,763.08 = 5,723.95/x
  3. Step 3: Cross multiply
    9,972.96x = 13,763.08 × 5,723.95
  4. Step 4: Simplify right side
    9,972.96x = 78,779,181.77
  5. Step 5: Solve for x
    x = 78,779,181.77/9,972.96
  6. Step 6: Final answer
    x = 7,899.28

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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.