Home / 10,631.40-14,671.26-6,155.16

Finding the Fourth Proportional to 10,631.40, 14,671.26 and 6,155.16

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Solution

The fourth proportional to 10,631.40, 14,671.26 and 6,155.16 is: 8,494.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,631.40 : 14,671.26 = 6,155.16 : x
  2. Step 2: Convert to fraction form
    10,631.40/14,671.26 = 6,155.16/x
  3. Step 3: Cross multiply
    10,631.40x = 14,671.26 × 6,155.16
  4. Step 4: Simplify right side
    10,631.40x = 90,303,952.70
  5. Step 5: Solve for x
    x = 90,303,952.70/10,631.40
  6. Step 6: Final answer
    x = 8,494.08

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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.