Home / 10,475.87-14,451.12-7,953.80

Finding the Fourth Proportional to 10,475.87, 14,451.12 and 7,953.80

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Solution

The fourth proportional to 10,475.87, 14,451.12 and 7,953.80 is: 10,972.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,475.87 : 14,451.12 = 7,953.80 : x
  2. Step 2: Convert to fraction form
    10,475.87/14,451.12 = 7,953.80/x
  3. Step 3: Cross multiply
    10,475.87x = 14,451.12 × 7,953.80
  4. Step 4: Simplify right side
    10,475.87x = 114,941,246.00
  5. Step 5: Solve for x
    x = 114,941,246.00/10,475.87
  6. Step 6: Final answer
    x = 10,972.01

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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.