Home / 10,823.60-14,939.76-6,348.32

Finding the Fourth Proportional to 10,823.60, 14,939.76 and 6,348.32

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Solution

The fourth proportional to 10,823.60, 14,939.76 and 6,348.32 is: 8,762.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,823.60 : 14,939.76 = 6,348.32 : x
  2. Step 2: Convert to fraction form
    10,823.60/14,939.76 = 6,348.32/x
  3. Step 3: Cross multiply
    10,823.60x = 14,939.76 × 6,348.32
  4. Step 4: Simplify right side
    10,823.60x = 94,842,377.20
  5. Step 5: Solve for x
    x = 94,842,377.20/10,823.60
  6. Step 6: Final answer
    x = 8,762.55

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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.