Home / 10,534.18-15,762.36-8,667.94

Finding the Fourth Proportional to 10,534.18, 15,762.36 and 8,667.94

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Solution

The fourth proportional to 10,534.18, 15,762.36 and 8,667.94 is: 12,969.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,534.18 : 15,762.36 = 8,667.94 : x
  2. Step 2: Convert to fraction form
    10,534.18/15,762.36 = 8,667.94/x
  3. Step 3: Cross multiply
    10,534.18x = 15,762.36 × 8,667.94
  4. Step 4: Simplify right side
    10,534.18x = 136,627,190.74
  5. Step 5: Solve for x
    x = 136,627,190.74/10,534.18
  6. Step 6: Final answer
    x = 12,969.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.