Home / 8,083.60-11,155.12-4,547.00

Finding the Fourth Proportional to 8,083.60, 11,155.12 and 4,547.00

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Solution

The fourth proportional to 8,083.60, 11,155.12 and 4,547.00 is: 6,274.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,083.60 : 11,155.12 = 4,547.00 : x
  2. Step 2: Convert to fraction form
    8,083.60/11,155.12 = 4,547.00/x
  3. Step 3: Cross multiply
    8,083.60x = 11,155.12 × 4,547.00
  4. Step 4: Simplify right side
    8,083.60x = 50,722,347.16
  5. Step 5: Solve for x
    x = 50,722,347.16/8,083.60
  6. Step 6: Final answer
    x = 6,274.72

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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.