Home / 10,670.58-15,984.54-7,330.68

Finding the Fourth Proportional to 10,670.58, 15,984.54 and 7,330.68

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Solution

The fourth proportional to 10,670.58, 15,984.54 and 7,330.68 is: 10,981.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,670.58 : 15,984.54 = 7,330.68 : x
  2. Step 2: Convert to fraction form
    10,670.58/15,984.54 = 7,330.68/x
  3. Step 3: Cross multiply
    10,670.58x = 15,984.54 × 7,330.68
  4. Step 4: Simplify right side
    10,670.58x = 117,177,547.69
  5. Step 5: Solve for x
    x = 117,177,547.69/10,670.58
  6. Step 6: Final answer
    x = 10,981.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.