Home / 8,983.10-13,482.65-5,280.70

Finding the Fourth Proportional to 8,983.10, 13,482.65 and 5,280.70

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Solution

The fourth proportional to 8,983.10, 13,482.65 and 5,280.70 is: 7,925.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,983.10 : 13,482.65 = 5,280.70 : x
  2. Step 2: Convert to fraction form
    8,983.10/13,482.65 = 5,280.70/x
  3. Step 3: Cross multiply
    8,983.10x = 13,482.65 × 5,280.70
  4. Step 4: Simplify right side
    8,983.10x = 71,197,829.86
  5. Step 5: Solve for x
    x = 71,197,829.86/8,983.10
  6. Step 6: Final answer
    x = 7,925.75

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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.