Home / 7,564.12-11,346.31-2,886.30

Finding the Fourth Proportional to 7,564.12, 11,346.31 and 2,886.30

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Solution

The fourth proportional to 7,564.12, 11,346.31 and 2,886.30 is: 4,329.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,564.12 : 11,346.31 = 2,886.30 : x
  2. Step 2: Convert to fraction form
    7,564.12/11,346.31 = 2,886.30/x
  3. Step 3: Cross multiply
    7,564.12x = 11,346.31 × 2,886.30
  4. Step 4: Simplify right side
    7,564.12x = 32,748,854.55
  5. Step 5: Solve for x
    x = 32,748,854.55/7,564.12
  6. Step 6: Final answer
    x = 4,329.50

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.