Home / 10,460.01-15,686.67-3,438.40

Finding the Fourth Proportional to 10,460.01, 15,686.67 and 3,438.40

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Solution

The fourth proportional to 10,460.01, 15,686.67 and 3,438.40 is: 5,156.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,460.01 : 15,686.67 = 3,438.40 : x
  2. Step 2: Convert to fraction form
    10,460.01/15,686.67 = 3,438.40/x
  3. Step 3: Cross multiply
    10,460.01x = 15,686.67 × 3,438.40
  4. Step 4: Simplify right side
    10,460.01x = 53,937,046.13
  5. Step 5: Solve for x
    x = 53,937,046.13/10,460.01
  6. Step 6: Final answer
    x = 5,156.50

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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.