Home / 11,136.76-15,368.72-6,101.06

Finding the Fourth Proportional to 11,136.76, 15,368.72 and 6,101.06

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Solution

The fourth proportional to 11,136.76, 15,368.72 and 6,101.06 is: 8,419.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,136.76 : 15,368.72 = 6,101.06 : x
  2. Step 2: Convert to fraction form
    11,136.76/15,368.72 = 6,101.06/x
  3. Step 3: Cross multiply
    11,136.76x = 15,368.72 × 6,101.06
  4. Step 4: Simplify right side
    11,136.76x = 93,765,409.81
  5. Step 5: Solve for x
    x = 93,765,409.81/11,136.76
  6. Step 6: Final answer
    x = 8,419.45

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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.