Home / 8,707.20-13,041.60-4,598.40

Finding the Fourth Proportional to 8,707.20, 13,041.60 and 4,598.40

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Solution

The fourth proportional to 8,707.20, 13,041.60 and 4,598.40 is: 6,887.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,707.20 : 13,041.60 = 4,598.40 : x
  2. Step 2: Convert to fraction form
    8,707.20/13,041.60 = 4,598.40/x
  3. Step 3: Cross multiply
    8,707.20x = 13,041.60 × 4,598.40
  4. Step 4: Simplify right side
    8,707.20x = 59,970,493.44
  5. Step 5: Solve for x
    x = 59,970,493.44/8,707.20
  6. Step 6: Final answer
    x = 6,887.46

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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.