Home / 6,208.30-9,312.55-1,528.32

Finding the Fourth Proportional to 6,208.30, 9,312.55 and 1,528.32

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Solution

The fourth proportional to 6,208.30, 9,312.55 and 1,528.32 is: 2,292.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,208.30 : 9,312.55 = 1,528.32 : x
  2. Step 2: Convert to fraction form
    6,208.30/9,312.55 = 1,528.32/x
  3. Step 3: Cross multiply
    6,208.30x = 9,312.55 × 1,528.32
  4. Step 4: Simplify right side
    6,208.30x = 14,232,556.42
  5. Step 5: Solve for x
    x = 14,232,556.42/6,208.30
  6. Step 6: Final answer
    x = 2,292.50

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.