Home / 10,330.41-15,476.45-7,558.32

Finding the Fourth Proportional to 10,330.41, 15,476.45 and 7,558.32

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Solution

The fourth proportional to 10,330.41, 15,476.45 and 7,558.32 is: 11,323.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,330.41 : 15,476.45 = 7,558.32 : x
  2. Step 2: Convert to fraction form
    10,330.41/15,476.45 = 7,558.32/x
  3. Step 3: Cross multiply
    10,330.41x = 15,476.45 × 7,558.32
  4. Step 4: Simplify right side
    10,330.41x = 116,975,923.77
  5. Step 5: Solve for x
    x = 116,975,923.77/10,330.41
  6. Step 6: Final answer
    x = 11,323.45

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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.