Home / 9,590.40-13,219.20-6,937.92

Finding the Fourth Proportional to 9,590.40, 13,219.20 and 6,937.92

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Solution

The fourth proportional to 9,590.40, 13,219.20 and 6,937.92 is: 9,563.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,590.40 : 13,219.20 = 6,937.92 : x
  2. Step 2: Convert to fraction form
    9,590.40/13,219.20 = 6,937.92/x
  3. Step 3: Cross multiply
    9,590.40x = 13,219.20 × 6,937.92
  4. Step 4: Simplify right side
    9,590.40x = 91,713,752.06
  5. Step 5: Solve for x
    x = 91,713,752.06/9,590.40
  6. Step 6: Final answer
    x = 9,563.08

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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.