Home / 13,094.04-18,075.42-9,113.70

Finding the Fourth Proportional to 13,094.04, 18,075.42 and 9,113.70

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Solution

The fourth proportional to 13,094.04, 18,075.42 and 9,113.70 is: 12,580.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,094.04 : 18,075.42 = 9,113.70 : x
  2. Step 2: Convert to fraction form
    13,094.04/18,075.42 = 9,113.70/x
  3. Step 3: Cross multiply
    13,094.04x = 18,075.42 × 9,113.70
  4. Step 4: Simplify right side
    13,094.04x = 164,733,955.25
  5. Step 5: Solve for x
    x = 164,733,955.25/13,094.04
  6. Step 6: Final answer
    x = 12,580.83

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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.