Home / 10,785.60-16,167.48-4,547.16

Finding the Fourth Proportional to 10,785.60, 16,167.48 and 4,547.16

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Solution

The fourth proportional to 10,785.60, 16,167.48 and 4,547.16 is: 6,816.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,785.60 : 16,167.48 = 4,547.16 : x
  2. Step 2: Convert to fraction form
    10,785.60/16,167.48 = 4,547.16/x
  3. Step 3: Cross multiply
    10,785.60x = 16,167.48 × 4,547.16
  4. Step 4: Simplify right side
    10,785.60x = 73,516,118.36
  5. Step 5: Solve for x
    x = 73,516,118.36/10,785.60
  6. Step 6: Final answer
    x = 6,816.14

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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.