Home / 10,210.64-15,320.04-4,666.60

Finding the Fourth Proportional to 10,210.64, 15,320.04 and 4,666.60

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Solution

The fourth proportional to 10,210.64, 15,320.04 and 4,666.60 is: 7,001.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,210.64 : 15,320.04 = 4,666.60 : x
  2. Step 2: Convert to fraction form
    10,210.64/15,320.04 = 4,666.60/x
  3. Step 3: Cross multiply
    10,210.64x = 15,320.04 × 4,666.60
  4. Step 4: Simplify right side
    10,210.64x = 71,492,498.66
  5. Step 5: Solve for x
    x = 71,492,498.66/10,210.64
  6. Step 6: Final answer
    x = 7,001.76

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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.