Home / 10,865.07-14,991.98-6,148.35

Finding the Fourth Proportional to 10,865.07, 14,991.98 and 6,148.35

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Solution

The fourth proportional to 10,865.07, 14,991.98 and 6,148.35 is: 8,483.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,865.07 : 14,991.98 = 6,148.35 : x
  2. Step 2: Convert to fraction form
    10,865.07/14,991.98 = 6,148.35/x
  3. Step 3: Cross multiply
    10,865.07x = 14,991.98 × 6,148.35
  4. Step 4: Simplify right side
    10,865.07x = 92,175,909.49
  5. Step 5: Solve for x
    x = 92,175,909.49/10,865.07
  6. Step 6: Final answer
    x = 8,483.69

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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.