Home / 10,263.16-14,153.70-7,700.68

Finding the Fourth Proportional to 10,263.16, 14,153.70 and 7,700.68

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Solution

The fourth proportional to 10,263.16, 14,153.70 and 7,700.68 is: 10,619.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,263.16 : 14,153.70 = 7,700.68 : x
  2. Step 2: Convert to fraction form
    10,263.16/14,153.70 = 7,700.68/x
  3. Step 3: Cross multiply
    10,263.16x = 14,153.70 × 7,700.68
  4. Step 4: Simplify right side
    10,263.16x = 108,993,114.52
  5. Step 5: Solve for x
    x = 108,993,114.52/10,263.16
  6. Step 6: Final answer
    x = 10,619.84

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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.