Home / 11,460.37-15,815.28-6,984.13

Finding the Fourth Proportional to 11,460.37, 15,815.28 and 6,984.13

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Solution

The fourth proportional to 11,460.37, 15,815.28 and 6,984.13 is: 9,638.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,460.37 : 15,815.28 = 6,984.13 : x
  2. Step 2: Convert to fraction form
    11,460.37/15,815.28 = 6,984.13/x
  3. Step 3: Cross multiply
    11,460.37x = 15,815.28 × 6,984.13
  4. Step 4: Simplify right side
    11,460.37x = 110,455,971.51
  5. Step 5: Solve for x
    x = 110,455,971.51/11,460.37
  6. Step 6: Final answer
    x = 9,638.08

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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.