Home / 10,956.36-15,075.90-10,628.40

Finding the Fourth Proportional to 10,956.36, 15,075.90 and 10,628.40

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Solution

The fourth proportional to 10,956.36, 15,075.90 and 10,628.40 is: 14,624.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,956.36 : 15,075.90 = 10,628.40 : x
  2. Step 2: Convert to fraction form
    10,956.36/15,075.90 = 10,628.40/x
  3. Step 3: Cross multiply
    10,956.36x = 15,075.90 × 10,628.40
  4. Step 4: Simplify right side
    10,956.36x = 160,232,695.56
  5. Step 5: Solve for x
    x = 160,232,695.56/10,956.36
  6. Step 6: Final answer
    x = 14,624.63

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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.