Home / 10,854.70-14,973.51-6,376.30

Finding the Fourth Proportional to 10,854.70, 14,973.51 and 6,376.30

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Solution

The fourth proportional to 10,854.70, 14,973.51 and 6,376.30 is: 8,795.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,854.70 : 14,973.51 = 6,376.30 : x
  2. Step 2: Convert to fraction form
    10,854.70/14,973.51 = 6,376.30/x
  3. Step 3: Cross multiply
    10,854.70x = 14,973.51 × 6,376.30
  4. Step 4: Simplify right side
    10,854.70x = 95,475,591.81
  5. Step 5: Solve for x
    x = 95,475,591.81/10,854.70
  6. Step 6: Final answer
    x = 8,795.78

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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.