Home / 10,988.48-16,475.04-5,435.04

Finding the Fourth Proportional to 10,988.48, 16,475.04 and 5,435.04

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Solution

The fourth proportional to 10,988.48, 16,475.04 and 5,435.04 is: 8,148.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,988.48 : 16,475.04 = 5,435.04 : x
  2. Step 2: Convert to fraction form
    10,988.48/16,475.04 = 5,435.04/x
  3. Step 3: Cross multiply
    10,988.48x = 16,475.04 × 5,435.04
  4. Step 4: Simplify right side
    10,988.48x = 89,542,501.40
  5. Step 5: Solve for x
    x = 89,542,501.40/10,988.48
  6. Step 6: Final answer
    x = 8,148.76

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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.