Home / 8,775.18-13,153.05-4,386.60

Finding the Fourth Proportional to 8,775.18, 13,153.05 and 4,386.60

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Solution

The fourth proportional to 8,775.18, 13,153.05 and 4,386.60 is: 6,575.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,775.18 : 13,153.05 = 4,386.60 : x
  2. Step 2: Convert to fraction form
    8,775.18/13,153.05 = 4,386.60/x
  3. Step 3: Cross multiply
    8,775.18x = 13,153.05 × 4,386.60
  4. Step 4: Simplify right side
    8,775.18x = 57,697,169.13
  5. Step 5: Solve for x
    x = 57,697,169.13/8,775.18
  6. Step 6: Final answer
    x = 6,575.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.