Home / 10,346.95-14,279.09-5,631.53

Finding the Fourth Proportional to 10,346.95, 14,279.09 and 5,631.53

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Solution

The fourth proportional to 10,346.95, 14,279.09 and 5,631.53 is: 7,771.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,346.95 : 14,279.09 = 5,631.53 : x
  2. Step 2: Convert to fraction form
    10,346.95/14,279.09 = 5,631.53/x
  3. Step 3: Cross multiply
    10,346.95x = 14,279.09 × 5,631.53
  4. Step 4: Simplify right side
    10,346.95x = 80,413,123.71
  5. Step 5: Solve for x
    x = 80,413,123.71/10,346.95
  6. Step 6: Final answer
    x = 7,771.67

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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.