Home / 10,218.99-14,101.95-5,742.93

Finding the Fourth Proportional to 10,218.99, 14,101.95 and 5,742.93

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Solution

The fourth proportional to 10,218.99, 14,101.95 and 5,742.93 is: 7,925.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,218.99 : 14,101.95 = 5,742.93 : x
  2. Step 2: Convert to fraction form
    10,218.99/14,101.95 = 5,742.93/x
  3. Step 3: Cross multiply
    10,218.99x = 14,101.95 × 5,742.93
  4. Step 4: Simplify right side
    10,218.99x = 80,986,511.71
  5. Step 5: Solve for x
    x = 80,986,511.71/10,218.99
  6. Step 6: Final answer
    x = 7,925.10

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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.