Home / 11,117.36-15,346.68-6,927.68

Finding the Fourth Proportional to 11,117.36, 15,346.68 and 6,927.68

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Solution

The fourth proportional to 11,117.36, 15,346.68 and 6,927.68 is: 9,563.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,117.36 : 15,346.68 = 6,927.68 : x
  2. Step 2: Convert to fraction form
    11,117.36/15,346.68 = 6,927.68/x
  3. Step 3: Cross multiply
    11,117.36x = 15,346.68 × 6,927.68
  4. Step 4: Simplify right side
    11,117.36x = 106,316,888.10
  5. Step 5: Solve for x
    x = 106,316,888.10/11,117.36
  6. Step 6: Final answer
    x = 9,563.14

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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.