Home / 10,445.49-14,406.63-6,468.81

Finding the Fourth Proportional to 10,445.49, 14,406.63 and 6,468.81

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Solution

The fourth proportional to 10,445.49, 14,406.63 and 6,468.81 is: 8,921.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,445.49 : 14,406.63 = 6,468.81 : x
  2. Step 2: Convert to fraction form
    10,445.49/14,406.63 = 6,468.81/x
  3. Step 3: Cross multiply
    10,445.49x = 14,406.63 × 6,468.81
  4. Step 4: Simplify right side
    10,445.49x = 93,193,752.21
  5. Step 5: Solve for x
    x = 93,193,752.21/10,445.49
  6. Step 6: Final answer
    x = 8,921.91

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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.