Home / 10,281.68-15,416.76-3,354.32

Finding the Fourth Proportional to 10,281.68, 15,416.76 and 3,354.32

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Solution

The fourth proportional to 10,281.68, 15,416.76 and 3,354.32 is: 5,029.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,281.68 : 15,416.76 = 3,354.32 : x
  2. Step 2: Convert to fraction form
    10,281.68/15,416.76 = 3,354.32/x
  3. Step 3: Cross multiply
    10,281.68x = 15,416.76 × 3,354.32
  4. Step 4: Simplify right side
    10,281.68x = 51,712,746.40
  5. Step 5: Solve for x
    x = 51,712,746.40/10,281.68
  6. Step 6: Final answer
    x = 5,029.60

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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.