Home / 11,347.14-15,656.75-6,630.51

Finding the Fourth Proportional to 11,347.14, 15,656.75 and 6,630.51

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Solution

The fourth proportional to 11,347.14, 15,656.75 and 6,630.51 is: 9,148.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,347.14 : 15,656.75 = 6,630.51 : x
  2. Step 2: Convert to fraction form
    11,347.14/15,656.75 = 6,630.51/x
  3. Step 3: Cross multiply
    11,347.14x = 15,656.75 × 6,630.51
  4. Step 4: Simplify right side
    11,347.14x = 103,812,204.29
  5. Step 5: Solve for x
    x = 103,812,204.29/11,347.14
  6. Step 6: Final answer
    x = 9,148.76

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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.