Home / 10,958.48-16,423.60-9,547.18

Finding the Fourth Proportional to 10,958.48, 16,423.60 and 9,547.18

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Solution

The fourth proportional to 10,958.48, 16,423.60 and 9,547.18 is: 14,308.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,958.48 : 16,423.60 = 9,547.18 : x
  2. Step 2: Convert to fraction form
    10,958.48/16,423.60 = 9,547.18/x
  3. Step 3: Cross multiply
    10,958.48x = 16,423.60 × 9,547.18
  4. Step 4: Simplify right side
    10,958.48x = 156,799,065.45
  5. Step 5: Solve for x
    x = 156,799,065.45/10,958.48
  6. Step 6: Final answer
    x = 14,308.47

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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.