Home / 8,085.34-11,155.02-4,547.80

Finding the Fourth Proportional to 8,085.34, 11,155.02 and 4,547.80

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Solution

The fourth proportional to 8,085.34, 11,155.02 and 4,547.80 is: 6,274.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,085.34 : 11,155.02 = 4,547.80 : x
  2. Step 2: Convert to fraction form
    8,085.34/11,155.02 = 4,547.80/x
  3. Step 3: Cross multiply
    8,085.34x = 11,155.02 × 4,547.80
  4. Step 4: Simplify right side
    8,085.34x = 50,730,799.96
  5. Step 5: Solve for x
    x = 50,730,799.96/8,085.34
  6. Step 6: Final answer
    x = 6,274.42

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Half scale
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Double scale
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Similar ratio
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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.