Home / 10,106.08-13,946.02-5,629.58

Finding the Fourth Proportional to 10,106.08, 13,946.02 and 5,629.58

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Solution

The fourth proportional to 10,106.08, 13,946.02 and 5,629.58 is: 7,768.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,106.08 : 13,946.02 = 5,629.58 : x
  2. Step 2: Convert to fraction form
    10,106.08/13,946.02 = 5,629.58/x
  3. Step 3: Cross multiply
    10,106.08x = 13,946.02 × 5,629.58
  4. Step 4: Simplify right side
    10,106.08x = 78,510,256.06
  5. Step 5: Solve for x
    x = 78,510,256.06/10,106.08
  6. Step 6: Final answer
    x = 7,768.62

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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.