Home / 10,119.06-15,099.42-9,068.40

Finding the Fourth Proportional to 10,119.06, 15,099.42 and 9,068.40

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Solution

The fourth proportional to 10,119.06, 15,099.42 and 9,068.40 is: 13,531.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,119.06 : 15,099.42 = 9,068.40 : x
  2. Step 2: Convert to fraction form
    10,119.06/15,099.42 = 9,068.40/x
  3. Step 3: Cross multiply
    10,119.06x = 15,099.42 × 9,068.40
  4. Step 4: Simplify right side
    10,119.06x = 136,927,580.33
  5. Step 5: Solve for x
    x = 136,927,580.33/10,119.06
  6. Step 6: Final answer
    x = 13,531.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.