Home / 10,374.39-14,312.34-6,123.74

Finding the Fourth Proportional to 10,374.39, 14,312.34 and 6,123.74

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Solution

The fourth proportional to 10,374.39, 14,312.34 and 6,123.74 is: 8,448.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,374.39 : 14,312.34 = 6,123.74 : x
  2. Step 2: Convert to fraction form
    10,374.39/14,312.34 = 6,123.74/x
  3. Step 3: Cross multiply
    10,374.39x = 14,312.34 × 6,123.74
  4. Step 4: Simplify right side
    10,374.39x = 87,644,977.39
  5. Step 5: Solve for x
    x = 87,644,977.39/10,374.39
  6. Step 6: Final answer
    x = 8,448.21

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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.