Home / 10,934.10-15,088.61-6,459.30

Finding the Fourth Proportional to 10,934.10, 15,088.61 and 6,459.30

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Solution

The fourth proportional to 10,934.10, 15,088.61 and 6,459.30 is: 8,913.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,934.10 : 15,088.61 = 6,459.30 : x
  2. Step 2: Convert to fraction form
    10,934.10/15,088.61 = 6,459.30/x
  3. Step 3: Cross multiply
    10,934.10x = 15,088.61 × 6,459.30
  4. Step 4: Simplify right side
    10,934.10x = 97,461,874.72
  5. Step 5: Solve for x
    x = 97,461,874.72/10,934.10
  6. Step 6: Final answer
    x = 8,913.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.