Home / 10,392.16-15,590.96-5,460.40

Finding the Fourth Proportional to 10,392.16, 15,590.96 and 5,460.40

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Solution

The fourth proportional to 10,392.16, 15,590.96 and 5,460.40 is: 8,192.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,392.16 : 15,590.96 = 5,460.40 : x
  2. Step 2: Convert to fraction form
    10,392.16/15,590.96 = 5,460.40/x
  3. Step 3: Cross multiply
    10,392.16x = 15,590.96 × 5,460.40
  4. Step 4: Simplify right side
    10,392.16x = 85,132,877.98
  5. Step 5: Solve for x
    x = 85,132,877.98/10,392.16
  6. Step 6: Final answer
    x = 8,192.03

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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.