Home / 9,574.20-13,178.16-6,774.84

Finding the Fourth Proportional to 9,574.20, 13,178.16 and 6,774.84

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Solution

The fourth proportional to 9,574.20, 13,178.16 and 6,774.84 is: 9,325.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,574.20 : 13,178.16 = 6,774.84 : x
  2. Step 2: Convert to fraction form
    9,574.20/13,178.16 = 6,774.84/x
  3. Step 3: Cross multiply
    9,574.20x = 13,178.16 × 6,774.84
  4. Step 4: Simplify right side
    9,574.20x = 89,279,925.49
  5. Step 5: Solve for x
    x = 89,279,925.49/9,574.20
  6. Step 6: Final answer
    x = 9,325.05

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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.