Home / 11,095.14-15,307.62-7,320.18

Finding the Fourth Proportional to 11,095.14, 15,307.62 and 7,320.18

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Solution

The fourth proportional to 11,095.14, 15,307.62 and 7,320.18 is: 10,099.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,095.14 : 15,307.62 = 7,320.18 : x
  2. Step 2: Convert to fraction form
    11,095.14/15,307.62 = 7,320.18/x
  3. Step 3: Cross multiply
    11,095.14x = 15,307.62 × 7,320.18
  4. Step 4: Simplify right side
    11,095.14x = 112,054,533.77
  5. Step 5: Solve for x
    x = 112,054,533.77/11,095.14
  6. Step 6: Final answer
    x = 10,099.42

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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.