Home / 10,478.57-14,466.40-6,946.56

Finding the Fourth Proportional to 10,478.57, 14,466.40 and 6,946.56

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Solution

The fourth proportional to 10,478.57, 14,466.40 and 6,946.56 is: 9,590.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,478.57 : 14,466.40 = 6,946.56 : x
  2. Step 2: Convert to fraction form
    10,478.57/14,466.40 = 6,946.56/x
  3. Step 3: Cross multiply
    10,478.57x = 14,466.40 × 6,946.56
  4. Step 4: Simplify right side
    10,478.57x = 100,491,698.22
  5. Step 5: Solve for x
    x = 100,491,698.22/10,478.57
  6. Step 6: Final answer
    x = 9,590.22

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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.