Home / 11,345.08-15,655.01-6,308.48

Finding the Fourth Proportional to 11,345.08, 15,655.01 and 6,308.48

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Solution

The fourth proportional to 11,345.08, 15,655.01 and 6,308.48 is: 8,705.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,345.08 : 15,655.01 = 6,308.48 : x
  2. Step 2: Convert to fraction form
    11,345.08/15,655.01 = 6,308.48/x
  3. Step 3: Cross multiply
    11,345.08x = 15,655.01 × 6,308.48
  4. Step 4: Simplify right side
    11,345.08x = 98,759,372.39
  5. Step 5: Solve for x
    x = 98,759,372.39/11,345.08
  6. Step 6: Final answer
    x = 8,705.04

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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.