Home / 12,340.48-17,030.80-7,035.42

Finding the Fourth Proportional to 12,340.48, 17,030.80 and 7,035.42

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Solution

The fourth proportional to 12,340.48, 17,030.80 and 7,035.42 is: 9,709.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,340.48 : 17,030.80 = 7,035.42 : x
  2. Step 2: Convert to fraction form
    12,340.48/17,030.80 = 7,035.42/x
  3. Step 3: Cross multiply
    12,340.48x = 17,030.80 × 7,035.42
  4. Step 4: Simplify right side
    12,340.48x = 119,818,830.94
  5. Step 5: Solve for x
    x = 119,818,830.94/12,340.48
  6. Step 6: Final answer
    x = 9,709.41

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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.