Home / 46,280.71-69,420.39-11,220.13

Finding the Fourth Proportional to 46,280.71, 69,420.39 and 11,220.13

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Solution

The fourth proportional to 46,280.71, 69,420.39 and 11,220.13 is: 16,830.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,280.71 : 69,420.39 = 11,220.13 : x
  2. Step 2: Convert to fraction form
    46,280.71/69,420.39 = 11,220.13/x
  3. Step 3: Cross multiply
    46,280.71x = 69,420.39 × 11,220.13
  4. Step 4: Simplify right side
    46,280.71x = 778,905,800.45
  5. Step 5: Solve for x
    x = 778,905,800.45/46,280.71
  6. Step 6: Final answer
    x = 16,830.03

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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.