Home / 10,823.76-14,928.08-7,465.80

Finding the Fourth Proportional to 10,823.76, 14,928.08 and 7,465.80

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Solution

The fourth proportional to 10,823.76, 14,928.08 and 7,465.80 is: 10,296.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,823.76 : 14,928.08 = 7,465.80 : x
  2. Step 2: Convert to fraction form
    10,823.76/14,928.08 = 7,465.80/x
  3. Step 3: Cross multiply
    10,823.76x = 14,928.08 × 7,465.80
  4. Step 4: Simplify right side
    10,823.76x = 111,450,059.66
  5. Step 5: Solve for x
    x = 111,450,059.66/10,823.76
  6. Step 6: Final answer
    x = 10,296.80

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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.