Home / 9,509.04-13,118.76-5,529.42

Finding the Fourth Proportional to 9,509.04, 13,118.76 and 5,529.42

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Solution

The fourth proportional to 9,509.04, 13,118.76 and 5,529.42 is: 7,628.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,509.04 : 13,118.76 = 5,529.42 : x
  2. Step 2: Convert to fraction form
    9,509.04/13,118.76 = 5,529.42/x
  3. Step 3: Cross multiply
    9,509.04x = 13,118.76 × 5,529.42
  4. Step 4: Simplify right side
    9,509.04x = 72,539,133.92
  5. Step 5: Solve for x
    x = 72,539,133.92/9,509.04
  6. Step 6: Final answer
    x = 7,628.44

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Half scale
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Double scale
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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.