Home / 10,417.68-14,368.88-6,637.12

Finding the Fourth Proportional to 10,417.68, 14,368.88 and 6,637.12

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Solution

The fourth proportional to 10,417.68, 14,368.88 and 6,637.12 is: 9,154.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,417.68 : 14,368.88 = 6,637.12 : x
  2. Step 2: Convert to fraction form
    10,417.68/14,368.88 = 6,637.12/x
  3. Step 3: Cross multiply
    10,417.68x = 14,368.88 × 6,637.12
  4. Step 4: Simplify right side
    10,417.68x = 95,367,980.83
  5. Step 5: Solve for x
    x = 95,367,980.83/10,417.68
  6. Step 6: Final answer
    x = 9,154.44

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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.