Home / 10,533.10-14,518.66-9,166.86

Finding the Fourth Proportional to 10,533.10, 14,518.66 and 9,166.86

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Solution

The fourth proportional to 10,533.10, 14,518.66 and 9,166.86 is: 12,635.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,533.10 : 14,518.66 = 9,166.86 : x
  2. Step 2: Convert to fraction form
    10,533.10/14,518.66 = 9,166.86/x
  3. Step 3: Cross multiply
    10,533.10x = 14,518.66 × 9,166.86
  4. Step 4: Simplify right side
    10,533.10x = 133,090,523.61
  5. Step 5: Solve for x
    x = 133,090,523.61/10,533.10
  6. Step 6: Final answer
    x = 12,635.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.