Home / 10,459.40-14,421.04-7,474.14

Finding the Fourth Proportional to 10,459.40, 14,421.04 and 7,474.14

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Solution

The fourth proportional to 10,459.40, 14,421.04 and 7,474.14 is: 10,305.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,459.40 : 14,421.04 = 7,474.14 : x
  2. Step 2: Convert to fraction form
    10,459.40/14,421.04 = 7,474.14/x
  3. Step 3: Cross multiply
    10,459.40x = 14,421.04 × 7,474.14
  4. Step 4: Simplify right side
    10,459.40x = 107,784,853.22
  5. Step 5: Solve for x
    x = 107,784,853.22/10,459.40
  6. Step 6: Final answer
    x = 10,305.08

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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.