Home / 9,421.41-14,130.30-4,740.17

Finding the Fourth Proportional to 9,421.41, 14,130.30 and 4,740.17

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Solution

The fourth proportional to 9,421.41, 14,130.30 and 4,740.17 is: 7,109.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,421.41 : 14,130.30 = 4,740.17 : x
  2. Step 2: Convert to fraction form
    9,421.41/14,130.30 = 4,740.17/x
  3. Step 3: Cross multiply
    9,421.41x = 14,130.30 × 4,740.17
  4. Step 4: Simplify right side
    9,421.41x = 66,980,024.09
  5. Step 5: Solve for x
    x = 66,980,024.09/9,421.41
  6. Step 6: Final answer
    x = 7,109.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.